#EFFB7A#EFFB7A

#EFFB7A is a very light, vivid yellow. Relative luminance 0.887; OKLCH L 95.4% C 0.153 H 113.7°. Best body text is #000000 at 18.75:1 contrast (WCAG AA passes).

Color values

HEX	#EFFB7A
RGB	rgb(239, 251, 122)
HSL	hsl(66, 94%, 73%)
HSV	hsv(66, 51%, 98%)
CMYK	cmyk(4.8%, 0%, 51.4%, 1.6%)
CIE-LAB	lab(95.48, -21.34, 59.70)
CIE-LCH	lch(95.48, 63.40, 109.67°)
OKLab	oklab(95.36% -0.0617 0.1404)
OKLCH	oklch(95.36% 0.153 113.7)
XYZ	xyz(73.6080, 88.7514, 31.6617)
Luminance	0.8875 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFB7A #867AFB

analogous

#FBC67A #EFFB7A #AFFB7A

triadic

#EFFB7A #7AEFFB #FB7AEF

tetradic

#EFFB7A #7AFBC6 #867AFB #FB7AAF

square

#EFFB7A #7AFBC6 #867AFB #FB7AAF

split-complementary

#EFFB7A #7AAFFB #C67AFB

monochromatic

#DDF307 #E8F93F #EFFB7A #F6FDB5 #FBFEE1

Accessibility & contrast

On white

1.12

#EFFB7A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.75

#EFFB7A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFB7A

18.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFB7A	#FFFFFF	#000000	##000000
##EFFB7A	1.00	1.12	18.75	18.75
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.75	21.00	1.00	1.00
##000000	18.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF16E

Deuteranopia (green-blind)

#FFF381

Tritanopia (blue-blind)

#FCEEDE

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #effb7a;
/* rgb */ color: rgb(239, 251, 122);
/* oklch */ color: oklch(95.4% 0.153 113.7);

Tailwind

colors: {
  custom: {
    50: '#f6fca4',
    500: '#effb7a',
    950: '#000000',
  },
}

SCSS

$custom: #effb7a;
$custom-light: #f6fca4;
$custom-dark: #000000;

JSON

{
  "hex": "#effb7a",
  "rgb": {
    "r": 239,
    "g": 251,
    "b": 122
  },
  "hsl": {
    "h": 65.581,
    "s": 94.161,
    "l": 73.137
  },
  "oklch": {
    "l": 0.9536,
    "c": 0.15332,
    "h": 113.7
  },
  "luminance": 0.8875
}

Semantic roles & 50–950 ramp

primary

#EFFB7A

secondary

#4F41D8

accent

#00E615

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#17170F

muted

#858580

Preview Lab

Preview with #EFFB7A

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

Preview Lab → · Contrast checker → · Palette generator →