#EFF39E#EFF39E

#EFF39E is a very light, moderate yellow. Relative luminance 0.849; OKLCH L 94.2% C 0.107 H 110.6°. Best body text is #000000 at 17.98:1 contrast (WCAG AA passes).

Color values

HEX	#EFF39E
RGB	rgb(239, 243, 158)
HSL	hsl(63, 78%, 79%)
HSV	hsv(63, 35%, 95%)
CMYK	cmyk(1.6%, 0%, 35%, 4.7%)
CIE-LAB	lab(93.85, -13.89, 40.59)
CIE-LCH	lch(93.85, 42.90, 108.89°)
OKLab	oklab(94.21% -0.0375 0.0999)
OKLCH	oklch(94.21% 0.107 110.6)
XYZ	xyz(73.8193, 84.9217, 44.8439)
Luminance	0.8492 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF39E #A29EF3

analogous

#F3CC9E #EFF39E #C4F39E

triadic

#EFF39E #9EEFF3 #F39EEF

tetradic

#EFF39E #9EF3CC #A29EF3 #F39EC4

square

#EFF39E #9EF3CC #A29EF3 #F39EC4

split-complementary

#EFF39E #9EC4F3 #CC9EF3

monochromatic

#DDE631 #E6EC68 #EFF39E #F8FAD4 #FBFCE4

Accessibility & contrast

On white

1.17

#EFF39E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.98

#EFF39E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF39E

17.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF39E	#FFFFFF	#000000	##000000
##EFF39E	1.00	1.17	17.98	17.98
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.98	21.00	1.00	1.00
##000000	17.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC98

Deuteranopia (green-blind)

#FFEFA2

Tritanopia (blue-blind)

#FAE9DE

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #eff39e;
/* rgb */ color: rgb(239, 243, 158);
/* oklch */ color: oklch(94.2% 0.107 110.6);

Tailwind

colors: {
  custom: {
    50: '#f5f7bb',
    500: '#eff39e',
    950: '#000000',
  },
}

SCSS

$custom: #eff39e;
$custom-light: #f5f7bb;
$custom-dark: #000000;

JSON

{
  "hex": "#eff39e",
  "rgb": {
    "r": 239,
    "g": 243,
    "b": 158
  },
  "hsl": {
    "h": 62.824,
    "s": 77.982,
    "l": 78.627
  },
  "oklch": {
    "l": 0.94209,
    "c": 0.10674,
    "h": 110.6
  },
  "luminance": 0.84921
}

Semantic roles & 50–950 ramp

primary

#EFF39E

secondary

#6964D1

accent

#0BDA15

background

#FFFFFD

surface

#FEFEF8

border

#D6D6D1

text

#171712

muted

#858582

Preview Lab

Preview with #EFF39E

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

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