#EFF17D#EFF17D

#EFF17D is a very light, vivid yellow. Relative luminance 0.827; OKLCH L 93.3% C 0.139 H 109.7°. Best body text is #000000 at 17.55:1 contrast (WCAG AA passes).

Color values

HEX	#EFF17D
RGB	rgb(239, 241, 125)
HSL	hsl(61, 81%, 72%)
HSV	hsv(61, 48%, 95%)
CMYK	cmyk(0.8%, 0%, 48.1%, 5.5%)
CIE-LAB	lab(92.90, -16.25, 55.29)
CIE-LCH	lch(92.90, 57.63, 106.38°)
OKLab	oklab(93.32% -0.0469 0.131)
OKLCH	oklch(93.32% 0.139 109.7)
XYZ	xyz(70.7551, 82.7436, 31.6419)
Luminance	0.8274 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF17D #7F7DF1

analogous

#F1B97D #EFF17D #B5F17D

triadic

#EFF17D #7DEFF1 #F17DEF

tetradic

#EFF17D #7DF1B9 #7F7DF1 #F17DB5

square

#EFF17D #7DF1B9 #7F7DF1 #F17DB5

split-complementary

#EFF17D #7DB5F1 #B97DF1

monochromatic

#D9DC18 #E8EB46 #EFF17D #F6F7B4 #FCFCE3

Accessibility & contrast

On white

1.20

#EFF17D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.55

#EFF17D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF17D

17.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF17D	#FFFFFF	#000000	##000000
##EFF17D	1.00	1.20	17.55	17.55
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.55	21.00	1.00	1.00
##000000	17.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE873

Deuteranopia (green-blind)

#FFED83

Tritanopia (blue-blind)

#FDE5D6

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #eff17d;
/* rgb */ color: rgb(239, 241, 125);
/* oklch */ color: oklch(93.3% 0.139 109.7);

Tailwind

colors: {
  custom: {
    50: '#f6f5a5',
    500: '#eff17d',
    950: '#000000',
  },
}

SCSS

$custom: #eff17d;
$custom-light: #f6f5a5;
$custom-dark: #000000;

JSON

{
  "hex": "#eff17d",
  "rgb": {
    "r": 239,
    "g": 241,
    "b": 125
  },
  "hsl": {
    "h": 61.034,
    "s": 80.556,
    "l": 71.765
  },
  "oklch": {
    "l": 0.93316,
    "c": 0.13918,
    "h": 109.7
  },
  "luminance": 0.82742
}

Semantic roles & 50–950 ramp

primary

#EFF17D

secondary

#4947CC

accent

#09DD0C

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#17170F

muted

#858580

Preview Lab

Preview with #EFF17D

Body copy rendered with the generated semantic roles for this colour.

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