#EFF38E#EFF38E

#EFF38E is a very light, vivid yellow. Relative luminance 0.844; OKLCH L 94.0% C 0.124 H 110.5°. Best body text is #000000 at 17.88:1 contrast (WCAG AA passes).

Color values

HEX	#EFF38E
RGB	rgb(239, 243, 142)
HSL	hsl(62, 81%, 75%)
HSV	hsv(62, 42%, 95%)
CMYK	cmyk(1.6%, 0%, 41.6%, 4.7%)
CIE-LAB	lab(93.63, -15.62, 48.13)
CIE-LCH	lch(93.63, 50.60, 107.98°)
OKLab	oklab(93.96% -0.0436 0.1164)
OKLCH	oklch(93.96% 0.124 110.5)
XYZ	xyz(72.5307, 84.4062, 38.0571)
Luminance	0.8440 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF38E #928EF3

analogous

#F3C48E #EFF38E #BCF38E

triadic

#EFF38E #8EEFF3 #F38EEF

tetradic

#EFF38E #8EF3C4 #928EF3 #F38EBC

square

#EFF38E #8EF3C4 #928EF3 #F38EBC

split-complementary

#EFF38E #8EBCF3 #C48EF3

monochromatic

#DFE71F #E7ED57 #EFF38E #F7F9C5 #FBFCE3

Accessibility & contrast

On white

1.17

#EFF38E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.88

#EFF38E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF38E

17.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF38E	#FFFFFF	#000000	##000000
##EFF38E	1.00	1.17	17.88	17.88
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.88	21.00	1.00	1.00
##000000	17.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB86

Deuteranopia (green-blind)

#FFEE93

Tritanopia (blue-blind)

#FBE8DB

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #eff38e;
/* rgb */ color: rgb(239, 243, 142);
/* oklch */ color: oklch(94.0% 0.124 110.5);

Tailwind

colors: {
  custom: {
    50: '#f6f7b0',
    500: '#eff38e',
    950: '#000000',
  },
}

SCSS

$custom: #eff38e;
$custom-light: #f6f7b0;
$custom-dark: #000000;

JSON

{
  "hex": "#eff38e",
  "rgb": {
    "r": 239,
    "g": 243,
    "b": 142
  },
  "hsl": {
    "h": 62.376,
    "s": 80.8,
    "l": 75.49
  },
  "oklch": {
    "l": 0.9396,
    "c": 0.12425,
    "h": 110.5
  },
  "luminance": 0.84405
}

Semantic roles & 50–950 ramp

primary

#EFF38E

secondary

#5A55D0

accent

#08DD11

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#171711

muted

#858581

Preview Lab

Preview with #EFF38E

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

Preview Lab → · Contrast checker → · Palette generator →