#EFF77C#EFF77C

#EFF77C is a very light, vivid yellow. Relative luminance 0.863; OKLCH L 94.5% C 0.147 H 112.2°. Best body text is #000000 at 18.27:1 contrast (WCAG AA passes).

Color values

HEX	#EFF77C
RGB	rgb(239, 247, 124)
HSL	hsl(64, 88%, 73%)
HSV	hsv(64, 50%, 97%)
CMYK	cmyk(3.2%, 0%, 49.8%, 3.1%)
CIE-LAB	lab(94.45, -19.25, 57.59)
CIE-LCH	lch(94.45, 60.72, 108.48°)
OKLab	oklab(94.55% -0.0555 0.136)
OKLCH	oklch(94.55% 0.147 112.2)
XYZ	xyz(72.4968, 86.3288, 31.9090)
Luminance	0.8633 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF77C #847CF7

analogous

#F7C17C #EFF77C #B2F77C

triadic

#EFF77C #7CEFF7 #F77CEF

tetradic

#EFF77C #7CF7C1 #847CF7 #F77CB2

square

#EFF77C #7CF7C1 #847CF7 #F77CB2

split-complementary

#EFF77C #7CB2F7 #C17CF7

monochromatic

#DCEA0E #E8F342 #EFF77C #F6FBB6 #FBFDE2

Accessibility & contrast

On white

1.15

#EFF77C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.27

#EFF77C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF77C

18.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF77C	#FFFFFF	#000000	##000000
##EFF77C	1.00	1.15	18.27	18.27
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.27	21.00	1.00	1.00
##000000	18.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED71

Deuteranopia (green-blind)

#FFF182

Tritanopia (blue-blind)

#FCEBDB

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #eff77c;
/* rgb */ color: rgb(239, 247, 124);
/* oklch */ color: oklch(94.5% 0.147 112.2);

Tailwind

colors: {
  custom: {
    50: '#f6f9a5',
    500: '#eff77c',
    950: '#000000',
  },
}

SCSS

$custom: #eff77c;
$custom-light: #f6f9a5;
$custom-dark: #000000;

JSON

{
  "hex": "#eff77c",
  "rgb": {
    "r": 239,
    "g": 247,
    "b": 124
  },
  "hsl": {
    "h": 63.902,
    "s": 88.489,
    "l": 72.745
  },
  "oklch": {
    "l": 0.94549,
    "c": 0.14688,
    "h": 112.2
  },
  "luminance": 0.86327
}

Semantic roles & 50–950 ramp

primary

#EFF77C

secondary

#4D44D3

accent

#00E50F

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#17170F

muted

#858580

Preview Lab

Preview with #EFF77C

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

Preview Lab → · Contrast checker → · Palette generator →