#EFF08B#EFF08B

#EFF08B is a very light, vivid yellow. Relative luminance 0.825; OKLCH L 93.3% C 0.124 H 109.1°. Best body text is #000000 at 17.51:1 contrast (WCAG AA passes).

Color values

HEX	#EFF08B
RGB	rgb(239, 240, 139)
HSL	hsl(61, 77%, 74%)
HSV	hsv(61, 42%, 94%)
CMYK	cmyk(0.4%, 0%, 42.1%, 5.9%)
CIE-LAB	lab(92.81, -14.45, 48.56)
CIE-LCH	lch(92.81, 50.66, 106.57°)
OKLab	oklab(93.3% -0.0405 0.1171)
OKLCH	oklch(93.3% 0.124 109.1)
XYZ	xyz(71.4181, 82.5365, 36.5900)
Luminance	0.8254 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF08B #8C8BF0

analogous

#F0BF8B #EFF08B #BDF08B

triadic

#EFF08B #8BEFF0 #F08BEF

tetradic

#EFF08B #8BF0BF #8C8BF0 #F08BBD

square

#EFF08B #8BF0BF #8C8BF0 #F08BBD

split-complementary

#EFF08B #8BBDF0 #BF8BF0

monochromatic

#E0E21F #E8E955 #EFF08B #F6F7C1 #FBFBE4

Accessibility & contrast

On white

1.20

#EFF08B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.51

#EFF08B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF08B

17.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF08B	#FFFFFF	#000000	##000000
##EFF08B	1.00	1.20	17.51	17.51
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.51	21.00	1.00	1.00
##000000	17.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE883

Deuteranopia (green-blind)

#FFEC90

Tritanopia (blue-blind)

#FCE5D8

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #eff08b;
/* rgb */ color: rgb(239, 240, 139);
/* oklch */ color: oklch(93.3% 0.124 109.1);

Tailwind

colors: {
  custom: {
    50: '#f6f4ae',
    500: '#eff08b',
    950: '#000000',
  },
}

SCSS

$custom: #eff08b;
$custom-light: #f6f4ae;
$custom-dark: #000000;

JSON

{
  "hex": "#eff08b",
  "rgb": {
    "r": 239,
    "g": 240,
    "b": 139
  },
  "hsl": {
    "h": 60.594,
    "s": 77.099,
    "l": 74.314
  },
  "oklch": {
    "l": 0.93298,
    "c": 0.12393,
    "h": 109.1
  },
  "luminance": 0.82535
}

Semantic roles & 50–950 ramp

primary

#EFF08B

secondary

#5553CC

accent

#0CD90E

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFF08B

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

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