#EFFC8D#EFFC8D

#EFFC8D is a very light, vivid yellow. Relative luminance 0.899; OKLCH L 95.8% C 0.136 H 114.5°. Best body text is #000000 at 18.98:1 contrast (WCAG AA passes).

Color values

HEX	#EFFC8D
RGB	rgb(239, 252, 141)
HSL	hsl(67, 95%, 77%)
HSV	hsv(67, 44%, 99%)
CMYK	cmyk(5.2%, 0%, 44%, 1.2%)
CIE-LAB	lab(95.95, -20.08, 51.49)
CIE-LCH	lch(95.95, 55.27, 111.30°)
OKLab	oklab(95.81% -0.0564 0.1238)
OKLCH	oklch(95.81% 0.136 114.5)
XYZ	xyz(75.2156, 89.8956, 38.5834)
Luminance	0.8990 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFC8D #9A8DFC

analogous

#FCD28D #EFFC8D #B8FC8D

triadic

#EFFC8D #8DEFFC #FC8DEF

tetradic

#EFFC8D #8DFCD2 #9A8DFC #FC8DB8

square

#EFFC8D #8DFCD2 #9A8DFC #FC8DB8

split-complementary

#EFFC8D #8DB8FC #D28DFC

monochromatic

#DEF916 #E7FA51 #EFFC8D #F7FEC9 #FBFEE1

Accessibility & contrast

On white

1.11

#EFFC8D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.98

#EFFC8D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFC8D

18.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFC8D	#FFFFFF	#000000	##000000
##EFFC8D	1.00	1.11	18.98	18.98
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.98	21.00	1.00	1.00
##000000	18.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF284

Deuteranopia (green-blind)

#FFF593

Tritanopia (blue-blind)

#FBF1E2

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #effc8d;
/* rgb */ color: rgb(239, 252, 141);
/* oklch */ color: oklch(95.8% 0.136 114.5);

Tailwind

colors: {
  custom: {
    50: '#f6fdb0',
    500: '#effc8d',
    950: '#000000',
  },
}

SCSS

$custom: #effc8d;
$custom-light: #f6fdb0;
$custom-dark: #000000;

JSON

{
  "hex": "#effc8d",
  "rgb": {
    "r": 239,
    "g": 252,
    "b": 141
  },
  "hsl": {
    "h": 67.027,
    "s": 94.872,
    "l": 77.059
  },
  "oklch": {
    "l": 0.9581,
    "c": 0.13605,
    "h": 114.5
  },
  "luminance": 0.89895
}

Semantic roles & 50–950 ramp

primary

#EFFC8D

secondary

#6251DC

accent

#00E61B

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171711

muted

#858581

Preview Lab

Preview with #EFFC8D

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

Preview Lab → · Contrast checker → · Palette generator →