#EFF28B#EFF28B

#EFF28B is a very light, vivid yellow. Relative luminance 0.837; OKLCH L 93.7% C 0.126 H 110.1°. Best body text is #000000 at 17.74:1 contrast (WCAG AA passes).

Color values

HEX	#EFF28B
RGB	rgb(239, 242, 139)
HSL	hsl(62, 80%, 75%)
HSV	hsv(62, 43%, 95%)
CMYK	cmyk(1.2%, 0%, 42.6%, 5.1%)
CIE-LAB	lab(93.33, -15.43, 49.20)
CIE-LCH	lch(93.33, 51.56, 107.41°)
OKLab	oklab(93.71% -0.0433 0.1186)
OKLCH	oklch(93.71% 0.126 110.1)
XYZ	xyz(72.0101, 83.7205, 36.7874)
Luminance	0.8372 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF28B #8E8BF2

analogous

#F2C28B #EFF28B #BBF28B

triadic

#EFF28B #8BEFF2 #F28BEF

tetradic

#EFF28B #8BF2C2 #8E8BF2 #F28BBB

square

#EFF28B #8BF2C2 #8E8BF2 #F28BBB

split-complementary

#EFF28B #8BBBF2 #C28BF2

monochromatic

#E0E61D #E7EC54 #EFF28B #F7F8C2 #FBFCE3

Accessibility & contrast

On white

1.18

#EFF28B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.74

#EFF28B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF28B

17.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF28B	#FFFFFF	#000000	##000000
##EFF28B	1.00	1.18	17.74	17.74
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.74	21.00	1.00	1.00
##000000	17.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA83

Deuteranopia (green-blind)

#FFEE90

Tritanopia (blue-blind)

#FCE7D9

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #eff28b;
/* rgb */ color: rgb(239, 242, 139);
/* oklch */ color: oklch(93.7% 0.126 110.1);

Tailwind

colors: {
  custom: {
    50: '#f6f6ae',
    500: '#eff28b',
    950: '#000000',
  },
}

SCSS

$custom: #eff28b;
$custom-light: #f6f6ae;
$custom-dark: #000000;

JSON

{
  "hex": "#eff28b",
  "rgb": {
    "r": 239,
    "g": 242,
    "b": 139
  },
  "hsl": {
    "h": 61.748,
    "s": 79.845,
    "l": 74.706
  },
  "oklch": {
    "l": 0.9371,
    "c": 0.12623,
    "h": 110.1
  },
  "luminance": 0.83719
}

Semantic roles & 50–950 ramp

primary

#EFF28B

secondary

#5653CE

accent

#09DC0F

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFF28B

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

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