#EFF25D#EFF25D

#EFF25D is a very light, vivid yellow. Relative luminance 0.826; OKLCH L 93.2% C 0.168 H 110.4°. Best body text is #000000 at 17.53:1 contrast (WCAG AA passes).

Color values

HEX	#EFF25D
RGB	rgb(239, 242, 93)
HSL	hsl(61, 85%, 66%)
HSV	hsv(61, 62%, 95%)
CMYK	cmyk(1.2%, 0%, 61.6%, 5.1%)
CIE-LAB	lab(92.86, -19.14, 69.18)
CIE-LCH	lch(92.86, 71.78, 105.47°)
OKLab	oklab(93.18% -0.0583 0.1573)
OKLCH	oklch(93.18% 0.168 110.4)
XYZ	xyz(69.3266, 82.6471, 22.6543)
Luminance	0.8265 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF25D #605DF2

analogous

#F2AA5D #EFF25D #A4F25D

triadic

#EFF25D #5DEFF2 #F25DEF

tetradic

#EFF25D #5DF2AA #605DF2 #F25DA4

square

#EFF25D #5DF2AA #605DF2 #F25DA4

split-complementary

#EFF25D #5DA4F2 #AA5DF2

monochromatic

#C1C510 #E9ED24 #EFF25D #F5F796 #FAFBCE

Accessibility & contrast

On white

1.20

#EFF25D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.53

#EFF25D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF25D

17.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF25D	#FFFFFF	#000000	##000000
##EFF25D	1.00	1.20	17.53	17.53
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.53	21.00	1.00	1.00
##000000	17.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE84A

Deuteranopia (green-blind)

#FFED66

Tritanopia (blue-blind)

#FFE4D3

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #eff25d;
/* rgb */ color: rgb(239, 242, 93);
/* oklch */ color: oklch(93.2% 0.168 110.4);

Tailwind

colors: {
  custom: {
    50: '#f7f691',
    500: '#eff25d',
    950: '#000000',
  },
}

SCSS

$custom: #eff25d;
$custom-light: #f7f691;
$custom-dark: #000000;

JSON

{
  "hex": "#eff25d",
  "rgb": {
    "r": 239,
    "g": 242,
    "b": 93
  },
  "hsl": {
    "h": 61.208,
    "s": 85.143,
    "l": 65.686
  },
  "oklch": {
    "l": 0.93184,
    "c": 0.16776,
    "h": 110.4
  },
  "luminance": 0.82645
}

Semantic roles & 50–950 ramp

primary

#EFF25D

secondary

#3431C2

accent

#04E208

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #EFF25D

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

Preview Lab → · Contrast checker → · Palette generator →