#ddf658
a light, electric yellow · warm · closest name: Green Yellow
Token name suggestion: Morning Honey
#ddf658 is a light electric yellow, 70° on the wheel and 33/100 on the cool side. Put black text on it (17.40:1). As text it scores 1.21:1 on white — use #697B07 instead. Nearest name is Green Yellow, nearest Tailwind family is lime.
At a glance
Every number on this page in one read: what #ddf658 is made of, how bright it looks, and which way it leans.
Left edge is grey, right edge is full chroma; top is white, bottom is black. The dot is #ddf658.
Reads warm. Warm and cool siblings keep the same lightness, so you can swap one in without redoing your contrast maths.
Green carries most of what the eye calls brightness — that is why WCAG weights it 0.7152.
Every format
| HEX | #ddf658 |
| HEX (8-digit) | #ddf658ff |
| RGB | rgb(221, 246, 88) |
| RGBA | rgba(221, 246, 88, 1) |
| HSL | hsl(70, 90%, 66%) |
| HSV / HSB | hsv(69, 64%, 96%) |
| HWB | hwb(70 35% 4%) |
| CMYK | cmyk(10%, 0%, 64%, 4%) |
| LAB | lab(92.6 -28.5 70.4) |
| LCH | lch(92.6 76.0 112.0) |
| OKLCH | oklch(0.926 0.180 117.8) |
| XYZ (D65) | xyz(64.54, 81.99, 21.66) |
| Decimal | 14546520 |
| Display P3 | color(display-p3 0.867 0.965 0.345) |
| Web-safe | #CCFF66 |
Copy-ready code
/* CSS */
color: #ddf658;
background-color: #ddf658;
/* CSS custom property */
--brand: #ddf658;
/* Tailwind (arbitrary) */
class="text-[#ddf658] bg-[#ddf658]"
/* SCSS */
$brand: #ddf658;
/* SwiftUI */
Color(red: 0.867, green: 0.965, blue: 0.345)
/* UIKit */
UIColor(red: 0.867, green: 0.965, blue: 0.345, alpha: 1)
/* Android XML */
<color name="brand">#DDF658</color>
/* Android Compose */
Color(0xFFDDF658)
/* Flutter */
Color(0xFFDDF658)
/* Python / OpenCV (BGR) */
(88, 246, 221)
/* Python / PIL (RGB) */
(221, 246, 88)
/* Java AWT */
new Color(221, 246, 88)
/* .NET */
Color.FromArgb(255, 221, 246, 88)
/* OpenGL / Unity (0–1) */
(0.8667f, 0.9647f, 0.3451f, 1f)
/* LaTeX */
\definecolor{brand}{RGB}{221,246,88}/* mix without leaving CSS */ background: color-mix(in oklab, #ddf658 85%, white); border-color: color-mix(in oklab, #ddf658 40%, transparent); /* theme-aware in one line */ color: light-dark(#677907, #EAEED3); /* relative colour syntax */ --hover: hsl(from #ddf658 h s calc(l - 7));
Design tokens
The same ramp in the four formats a team actually needs. Paste one and the whole palette lands with it.
:root {
--brand-50: #FBFDF2;
--brand-100: #F7FBE5;
--brand-200: #F0F8C3;
--brand-300: #E9F995;
--brand-400: #ddf658;
--brand-500: #D4F42A;
--brand-600: #C6E80C;
--brand-700: #A5C20A;
--brand-800: #849B08;
--brand-900: #60700B;
--brand-950: #3C4607;
--brand: #ddf658;
--brand-ink: #000000;
--brand-surface: #F9FAF4;
--brand-border: #E6EDC0;
--brand-hover: #D6F436;
--brand-pressed: #CFF214;
}
@media (prefers-color-scheme: dark) {
:root {
--brand-surface: #222414;
--brand-ink: #EAEED3;
}
}theme: {
extend: {
colors: {
brand: {
50: '#FBFDF2',
100: '#F7FBE5',
200: '#F0F8C3',
300: '#E9F995',
400: '#ddf658',
500: '#D4F42A',
600: '#C6E80C',
700: '#A5C20A',
800: '#849B08',
900: '#60700B',
950: '#3C4607',
DEFAULT: '#ddf658',
},
},
},
}$brand: (
'50': #FBFDF2,
'100': #F7FBE5,
'200': #F0F8C3,
'300': #E9F995,
'400': #ddf658,
'500': #D4F42A,
'600': #C6E80C,
'700': #A5C20A,
'800': #849B08,
'900': #60700B,
'950': #3C4607,
);
$brand-base: #ddf658;
$brand-ink: #000000;
@function brand($step) { @return map-get($brand, $step); }{
"color": {
"brand": {
"50": { "$value": "#FBFDF2", "$type": "color" },
"100": { "$value": "#F7FBE5", "$type": "color" },
"200": { "$value": "#F0F8C3", "$type": "color" },
"300": { "$value": "#E9F995", "$type": "color" },
"400": { "$value": "#ddf658", "$type": "color" },
"500": { "$value": "#D4F42A", "$type": "color" },
"600": { "$value": "#C6E80C", "$type": "color" },
"700": { "$value": "#A5C20A", "$type": "color" },
"800": { "$value": "#849B08", "$type": "color" },
"900": { "$value": "#60700B", "$type": "color" },
"950": { "$value": "#3C4607", "$type": "color" }
},
"brandInk": { "$value": "#000000", "$type": "color" }
}
}Best text color
Only one of black and white can be right. This is the one, with the number that proves it.
Make it accessible
A contrast checker tells you that you failed. This tells you what to ship instead — same hue, same saturation, lightness moved only as far as WCAG demands.
Large text — 24px regular or 18.66px bold and above — only needs 3:1, so #869D08 is enough for headings on white. Non-text elements such as icons, chart strokes and focus rings also sit at 3:1 under WCAG 2.2 (1.4.11).
Accessibility — WCAG contrast
Contrast is symmetric, so each row covers both directions: #ddf658 as text on that neutral, and that neutral as text on #ddf658.
| Neutral | Ratio | Verdict | Both directions |
|---|---|---|---|
| White#ffffff | 1.21:1 | AAAA lgAAA | AaAa |
| Slate 50#f8fafc | 1.15:1 | AAAA lgAAA | AaAa |
| Slate 100#f1f5f9 | 1.10:1 | AAAA lgAAA | AaAa |
| Slate 200#e2e8f0 | 1.02:1 | AAAA lgAAA | AaAa |
| Slate 300#cbd5e1 | 1.23:1 | AAAA lgAAA | AaAa |
| Slate 400#94a3b8 | 2.12:1 | AAAA lgAAA | AaAa |
| Slate 500#64748b | 3.94:1 | AAAA lgAAA | AaAa |
| Slate 600#475569 | 6.28:1 | AAAA lgAAA | AaAa |
| Slate 700#334155 | 8.58:1 | AAAA lgAAA | AaAa |
| Slate 800#1e293b | 12.12:1 | AAAA lgAAA | AaAa |
| Slate 900#0f172a | 14.79:1 | AAAA lgAAA | AaAa |
| Black#000000 | 17.40:1 | AAAA lgAAA | AaAa |
Roughly one man in twelve has some form of colour vision deficiency. If any of the three panels above is hard to tell apart from a neighbouring colour in your palette, add a shape, an icon or a label so the meaning does not rest on hue alone.
Color scale — 50 to 950
A Tailwind-shaped ramp built around this exact hex. #ddf658 is pinned to step 400; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.
The same eleven steps expressed in OKLCH, where equal lightness numbers actually look equally spaced. HSL ramps go muddy in the yellows and washed out in the blues; this one does not. Modern browsers render it natively — the hex ramp above is the fallback.
:root {
--brand-50: oklch(0.97 0.045 117.8);
--brand-100: oklch(0.94 0.072 117.8);
--brand-200: oklch(0.88 0.108 117.8);
--brand-300: oklch(0.80 0.141 117.8);
--brand-400: oklch(0.72 0.166 117.8);
--brand-500: oklch(0.64 0.180 117.8);
--brand-600: oklch(0.56 0.180 117.8);
--brand-700: oklch(0.48 0.170 117.8);
--brand-800: oklch(0.40 0.152 117.8);
--brand-900: oklch(0.32 0.126 117.8);
--brand-950: oklch(0.24 0.099 117.8);
}Colors that work with #ddf658
Not a palette — a role sheet. Each swatch answers one question you will hit while building the component.
Surface, border, heading and body all derive from this one hue, so the screen stays coherent without a second palette.
Lightness flips, hue holds. The accent stays the anchor in both themes.
In real components
The same eight roles, wired into the interface patterns you will actually build with them. Every state below is a computed value, not a mock-up.
Focus ring uses the light variant so the field still reads as one shape.
The file stays available for seven days. Download it before it expires.
How to use #ddf658
Derived from its contrast, chroma and lightness — not from taste.
- ✓Text and icons on dark surfaces
- ✓Primary buttons and calls to action
- ✓Focus rings, active and selected states
- ✓Card and section backgrounds
- ✓Brand accents, badges and data highlights
- ⚠Text of any size on white — fails WCAG AA
- ⚠Full-page backgrounds — tiring over long sessions
- ⚠White text placed on it
- ⚠Thin strokes and 1px borders — they disappear on light UI
- ⚠Pairing with a same-lightness hue — edges vibrate
Meaning and mood
What a colour in this family tends to signal, and how this particular chroma and lightness change the reading.
The most visible hue at low light levels, which is why it owns warnings, hazard tape and value retail.
At this chroma the association is amplified — it will dominate anything placed beside it, so give it space and use it sparingly. The lightness keeps it airy and approachable.
Almost never passes contrast against white. Treat it as a surface or a marker, not as text.
- FormalityLow
- EnergyHigh
- Weight35/100
- TemperatureWarm
- ApproachabilityHigh
Colour associations are cultural and vary by market. Treat these as a starting point for a conversation with your audience, not a finding about them.
Similar colors
One move away from this hex in each direction. Every swatch is its own page.
Color relationships
The wheel positions with their names attached, so you can grab the one you actually need.
| Complementary | #7158F6 | Directly opposite — maximum tension | |
| Analogous left | #F6C058 | Neighbour, quieter | |
| Analogous right | #8EF658 | Neighbour, quieter | |
| Split-complement 1 | #588EF6 | Contrast without the clash | |
| Split-complement 2 | #C058F6 | Contrast without the clash | |
| Triadic 1 | #58DDF6 | Even thirds — balanced and loud | |
| Triadic 2 | #F658DD | Even thirds — balanced and loud | |
| Tetradic | #58F6C0 | Fourth corner of the square scheme |
#ddf658 sits at 70°. Every dot is a harmony position and links to its own page in the table alongside.
RGB percentages
CMYK percentages
Total ink coverage is 78%. Most commercial presses cap around 300% — above that, sheets stop drying properly.
Color previews
#ddf658 text on a black background
contrast 17.40:1
#ddf658 text on a white background
contrast 1.21:1
#ddf658 on grey
1.10:1
#ddf658 on its own surface
1.15:1
#ddf658 on its dark surface
13.08:1
CSS3 live lab
The quick brown fox
color: #ddf658;
background-color: #ddf658;
Glowing headline
text-shadow: 2px 2px 8px #ddf658;
Soft neon halo
text-shadow: 0 0 14px rgba(221, 246, 88, 0.45);
box-shadow: 0 12px 32px -8px rgba(221, 246, 88, 0.45);
border: 3px solid #ddf658; background: linear-gradient(135deg, #ddf658, #74F658);
Gradient headline
background: linear-gradient(90deg, #ddf658, #58F664); -webkit-background-clip: text; color: transparent;
outline: 2px solid #ddf658; outline-offset: 3px;
Marked up text
text-decoration-color: #ddf658; caret-color: #ddf658;
border-left: 4px solid #ddf658;
background: #FAFEE7; box-shadow: inset 0 0 0 2px #ddf658;
background: conic-gradient(#ddf658 68%, #e2e8f0 0);
Transparency
What each alpha value actually composites to. The top row is #ddf658 over white; the bottom row is the same alpha over a checkerboard, so you can see what survives on a photo or a video.
Bottom row of hexes is the flattened result over white — use those when a design tool refuses transparency, or when you need a solid fallback.
rgba(221, 246, 88, 0.5) rgb(221 246 88 / 50%) #ddf65880 hsl(70 90% 66% / 50%) color-mix(in srgb, #ddf658 50%, transparent)
| Alpha | 8-digit hex | Flat on white |
|---|---|---|
| 10% | #ddf6581a | #FCFEEE |
| 20% | #ddf65833 | #F8FDDE |
| 40% | #ddf65866 | #F1FBBC |
| 60% | #ddf65899 | #EBFA9B |
| 80% | #ddf658cc | #E4F879 |
Gradients from #ddf658
Six recipes, each built from this hex and shown with the exact CSS that produced it.
background: linear-gradient(135deg, #E9F992, #ddf658 45%, #677907);
background: linear-gradient(120deg, #ddf658, #4CF43B);
background: linear-gradient(90deg, #ddf658, #7158F6);
background: radial-gradient(120% 120% at 20% 0%, #EFFBAF 0%, #ddf658 45%, #677907 100%);
background: linear-gradient(180deg, #F9FAF4, #ffffff);
background: radial-gradient(60% 60% at 15% 20%, #F9C988 0%, transparent 60%), radial-gradient(55% 55% at 85% 15%, #97F875 0%, transparent 60%), radial-gradient(70% 70% at 50% 95%, #677907 0%, transparent 65%), #ddf658;
Monochromatic scale
Palettes built from #ddf658
Shades — darker
Tints — lighter
Tones — desaturated
Color harmonies
Nearest named colors
Ranked with CIEDE2000 across all 139 CSS keywords. Under ΔE 2 the eye stops telling them apart; over ΔE 10 they are plainly different colors.
Closest color with a full write-up: Yellow (#ffff00) — ΔE2000 8.3 away, with its history, psychology and brand usage.
#ddf658 in the real world
Where a color in this family tends to land, and the interface roles it is usually asked to play.
Sits outside most CMYK gamuts — expect a duller press result, or specify a spot ink.
Holds up across typical panel gamma. Still worth checking on an uncalibrated laptop, where mid-tones shift most.
Usable as-is on a dark surface at 17.40:1.
Explore nearby colors
Small, deliberate steps away from this hex — useful when you are hunting for the version of a colour that finally feels right.
#ddf658, answered
What color is #ddf658?
#ddf658 is a light electric yellow, closest to Green Yellow (ΔE2000 8.1). It sits at 70° on the hue wheel with 90% saturation and 66% lightness, which reads as warm.
What is the RGB value of #ddf658?
rgb(221, 246, 88) — 221 red, 246 green and 88 blue out of 255, or 86.7% / 96.5% / 34.5% by channel.
What is #ddf658 in HSL and HSV?
hsl(70, 90%, 66%) and hsv(69, 64%, 96%). HSL is what CSS takes; HSV is what your design tool's picker shows, which is why the saturation numbers rarely match.
Is #ddf658 a light or a dark color?
It is a light color. Relative luminance is 0.8199 and perceived brightness is 89%, so black text on it reaches 17.40:1.
Should I use black or white text on #ddf658?
Black. It scores 17.40:1 against #ddf658, versus 1.21:1 for white — AAA at any size.
Is #ddf658 accessible on a white background?
#ddf658 on white scores 1.21:1, which fails WCAG AA at every size. Darken it to #697B07 to reach 4.5:1, or #505E05 for 7:1.
What is the complementary color of #ddf658?
#7158F6 sits directly opposite on the wheel. Softer options are the split-complements #588EF6 and #C058F6, which give the same contrast with far less vibration.
What colors go well with #ddf658?
For interface work: #F9FAF4 as the surface, #E6EDC0 for borders, #8E9B4B for secondary text, #5564FA as an accent and #677907 for hover and pressed states. For a palette, the analogous pair #F6C058 and #8EF658 stays calm, while #7158F6 is the loudest partner.
What is #ddf658 in CMYK for printing?
cmyk(10%, 0%, 64%, 4%). This is a screen-to-ink approximation — a color this saturated sits outside most CMYK gamuts and will print duller than it looks here.
Is #ddf658 warm or cool?
Warm — it scores 33 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #F6D558; nudged cooler, #A3F856.
Which Tailwind color is closest to #ddf658?
The lime family — its 500 step is #84cc16, ΔE2000 13.8 away. That is a visible difference, so define #ddf658 as a custom token rather than reaching for the built-in.
How do I use #ddf658 in Tailwind CSS?
Inline it as an arbitrary value with bg-[#ddf658] or text-[#ddf658], or register the whole ramp under theme.extend.colors.brand so you get bg-brand-500 and friends. The generated 50–950 scale on this page is ready to paste into your config.
What is #ddf658 with 50% opacity?
rgba(221, 246, 88, 0.5), or #ddf65880 in eight-digit hex. Over white that composites to #EEFBAC; over black, #6F7B2C.
Is #ddf658 a web-safe color?
No. The nearest web-safe colour is #CCFF66, ΔE2000 5 away. The palette only matters for legacy displays and some email clients now.
What does the color #ddf658 mean?
As a yellow, it reads optimistic, alert, cheap-and-cheerful. The most visible hue at low light levels, which is why it owns warnings, hazard tape and value retail. At this chroma the effect is amplified — it will dominate whatever sits beside it.
What gradient works with #ddf658?
The safest is same-hue elevation: linear-gradient(135deg, #E9F992, #ddf658 45%, #677907). For more colour, a short hue run to #4CF43B keeps it rich without turning muddy.
Work with #ddf658 in the Color Lab
Every tool opens with this colour already loaded.
Every value on this page is computed from #ddf658 at request time — conversions, contrast ratios and ΔE distances are calculated, never looked up.