#DEF258#DEF258

#DEF258 is a very light, vivid yellow. Relative luminance 0.797; OKLCH L 91.8% C 0.176 H 116.3°. Best body text is #000000 at 16.95:1 contrast (WCAG AA passes).

Color values

HEX	#DEF258
RGB	rgb(222, 242, 88)
HSL	hsl(68, 86%, 65%)
HSV	hsv(68, 64%, 95%)
CMYK	cmyk(8.3%, 0%, 63.6%, 5.1%)
CIE-LAB	lab(91.57, -26.23, 69.42)
CIE-LCH	lch(91.57, 74.21, 110.70°)
OKLab	oklab(91.83% -0.0778 0.1575)
OKLCH	oklch(91.83% 0.176 116.3)
XYZ	xyz(63.6392, 79.7393, 21.2694)
Luminance	0.7974 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#DEF258 #6C58F2

analogous

#F2B958 #DEF258 #91F258

triadic

#DEF258 #58DEF2 #F258DE

tetradic

#DEF258 #58F2B9 #6C58F2 #F25891

square

#DEF258 #58F2B9 #6C58F2 #F25891

split-complementary

#DEF258 #5891F2 #B958F2

monochromatic

#AAC10F #D3EE1F #DEF258 #E9F691 #F4FBCA

Accessibility & contrast

On white

1.24

#DEF258 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.95

#DEF258 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #DEF258

16.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##DEF258	#FFFFFF	#000000	##000000
##DEF258	1.00	1.24	16.95	16.95
#FFFFFF	1.24	1.00	21.00	21.00
#000000	16.95	21.00	1.00	1.00
##000000	16.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE644

Deuteranopia (green-blind)

#FFE863

Tritanopia (blue-blind)

#EBE5D2

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #def258;
/* rgb */ color: rgb(222, 242, 88);
/* oklch */ color: oklch(91.8% 0.176 116.3);

Tailwind

colors: {
  custom: {
    50: '#ebf68e',
    500: '#def258',
    950: '#000000',
  },
}

SCSS

$custom: #def258;
$custom-light: #ebf68e;
$custom-dark: #000000;

JSON

{
  "hex": "#def258",
  "rgb": {
    "r": 222,
    "g": 242,
    "b": 88
  },
  "hsl": {
    "h": 67.792,
    "s": 85.556,
    "l": 64.706
  },
  "oklch": {
    "l": 0.91828,
    "c": 0.17565,
    "h": 116.3
  },
  "luminance": 0.79738
}

Semantic roles & 50–950 ramp

primary

#DEF258

secondary

#4230BE

accent

#03E220

background

#FFFFFC

surface

#FEFEF4

border

#D6D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #DEF258

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

Preview Lab → · Contrast checker → · Palette generator →