#EFF28D#EFF28D

#EFF28D is a very light, vivid yellow. Relative luminance 0.838; OKLCH L 93.7% C 0.124 H 110.1°. Best body text is #000000 at 17.76:1 contrast (WCAG AA passes).

Color values

HEX	#EFF28D
RGB	rgb(239, 242, 141)
HSL	hsl(62, 80%, 75%)
HSV	hsv(62, 42%, 95%)
CMYK	cmyk(1.2%, 0%, 41.7%, 5.1%)
CIE-LAB	lab(93.35, -15.23, 48.27)
CIE-LCH	lch(93.35, 50.62, 107.51°)
OKLab	oklab(93.74% -0.0426 0.1166)
OKLCH	oklch(93.74% 0.124 110.1)
XYZ	xyz(72.1575, 83.7795, 37.5640)
Luminance	0.8378 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF28D #908DF2

analogous

#F2C28D #EFF28D #BDF28D

triadic

#EFF28D #8DEFF2 #F28DEF

tetradic

#EFF28D #8DF2C2 #908DF2 #F28DBD

square

#EFF28D #8DF2C2 #908DF2 #F28DBD

split-complementary

#EFF28D #8DBDF2 #C28DF2

monochromatic

#E0E51F #E7EC56 #EFF28D #F7F8C4 #FBFCE4

Accessibility & contrast

On white

1.18

#EFF28D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.76

#EFF28D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF28D

17.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF28D	#FFFFFF	#000000	##000000
##EFF28D	1.00	1.18	17.76	17.76
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.76	21.00	1.00	1.00
##000000	17.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA85

Deuteranopia (green-blind)

#FFEE92

Tritanopia (blue-blind)

#FBE7DA

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #eff28d;
/* rgb */ color: rgb(239, 242, 141);
/* oklch */ color: oklch(93.7% 0.124 110.1);

Tailwind

colors: {
  custom: {
    50: '#f6f6b0',
    500: '#eff28d',
    950: '#000000',
  },
}

SCSS

$custom: #eff28d;
$custom-light: #f6f6b0;
$custom-dark: #000000;

JSON

{
  "hex": "#eff28d",
  "rgb": {
    "r": 239,
    "g": 242,
    "b": 141
  },
  "hsl": {
    "h": 61.782,
    "s": 79.528,
    "l": 75.098
  },
  "oklch": {
    "l": 0.93739,
    "c": 0.12414,
    "h": 110.1
  },
  "luminance": 0.83778
}

Semantic roles & 50–950 ramp

primary

#EFF28D

secondary

#5855CF

accent

#0ADC10

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#171711

muted

#858581

Preview Lab

Preview with #EFF28D

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

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