#EFF08A#EFF08A

#EFF08A is a very light, vivid yellow. Relative luminance 0.825; OKLCH L 93.3% C 0.125 H 109.1°. Best body text is #000000 at 17.50:1 contrast (WCAG AA passes).

Color values

HEX	#EFF08A
RGB	rgb(239, 240, 138)
HSL	hsl(61, 77%, 74%)
HSV	hsv(61, 43%, 94%)
CMYK	cmyk(0.4%, 0%, 42.5%, 5.9%)
CIE-LAB	lab(92.80, -14.55, 49.02)
CIE-LCH	lch(92.80, 51.14, 106.53°)
OKLab	oklab(93.28% -0.0409 0.1181)
OKLCH	oklch(93.28% 0.125 109.1)
XYZ	xyz(71.3453, 82.5074, 36.2070)
Luminance	0.8251 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF08A #8B8AF0

analogous

#F0BE8A #EFF08A #BCF08A

triadic

#EFF08A #8AEFF0 #F08AEF

tetradic

#EFF08A #8AF0BE #8B8AF0 #F08ABC

square

#EFF08A #8AF0BE #8B8AF0 #F08ABC

split-complementary

#EFF08A #8ABCF0 #BE8AF0

monochromatic

#E0E21E #E8E954 #EFF08A #F6F7C0 #FBFCE4

Accessibility & contrast

On white

1.20

#EFF08A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.50

#EFF08A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF08A

17.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF08A	#FFFFFF	#000000	##000000
##EFF08A	1.00	1.20	17.50	17.50
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.50	21.00	1.00	1.00
##000000	17.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE882

Deuteranopia (green-blind)

#FFEC8F

Tritanopia (blue-blind)

#FCE5D8

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #eff08a;
/* rgb */ color: rgb(239, 240, 138);
/* oklch */ color: oklch(93.3% 0.125 109.1);

Tailwind

colors: {
  custom: {
    50: '#f6f4ae',
    500: '#eff08a',
    950: '#000000',
  },
}

SCSS

$custom: #eff08a;
$custom-light: #f6f4ae;
$custom-dark: #000000;

JSON

{
  "hex": "#eff08a",
  "rgb": {
    "r": 239,
    "g": 240,
    "b": 138
  },
  "hsl": {
    "h": 60.588,
    "s": 77.273,
    "l": 74.118
  },
  "oklch": {
    "l": 0.93284,
    "c": 0.12498,
    "h": 109.1
  },
  "luminance": 0.82506
}

Semantic roles & 50–950 ramp

primary

#EFF08A

secondary

#5453CC

accent

#0CDA0E

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFF08A

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

Preview Lab → · Contrast checker → · Palette generator →