#C4F25B#C4F25B

#C4F25B is a very light, vivid yellow-green. Relative luminance 0.760; OKLCH L 90.0% C 0.183 H 124.4°. Best body text is #000000 at 16.20:1 contrast (WCAG AA passes).

Color values

HEX	#C4F25B
RGB	rgb(196, 242, 91)
HSL	hsl(78, 85%, 65%)
HSV	hsv(78, 62%, 95%)
CMYK	cmyk(19%, 0%, 62.4%, 5.1%)
CIE-LAB	lab(89.86, -36.10, 65.88)
CIE-LCH	lch(89.86, 75.13, 118.72°)
OKLab	oklab(90.02% -0.1035 0.1509)
OKLCH	oklch(90.02% 0.183 124.4)
XYZ	xyz(56.4057, 75.9949, 21.5923)
Luminance	0.7600 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4F25B #895BF2

analogous

#F2D45B #C4F25B #78F25B

triadic

#C4F25B #5BC4F2 #F25BC4

tetradic

#C4F25B #5BF2D4 #895BF2 #F25B78

square

#C4F25B #5BF2D4 #895BF2 #F25B78

split-complementary

#C4F25B #5B78F2 #D45BF2

monochromatic

#8CC30F #B0EE22 #C4F25B #D8F694 #EDFBCC

Accessibility & contrast

On white

1.30

#C4F25B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.20

#C4F25B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C4F25B

16.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4F25B	#FFFFFF	#000000	##000000
##C4F25B	1.00	1.30	16.20	16.20
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.20	21.00	1.00	1.00
##000000	16.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE348

Deuteranopia (green-blind)

#F9E166

Tritanopia (blue-blind)

#CCE7D3

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #c4f25b;
/* rgb */ color: rgb(196, 242, 91);
/* oklch */ color: oklch(90.0% 0.183 124.4);

Tailwind

colors: {
  custom: {
    50: '#d9f690',
    500: '#c4f25b',
    950: '#000000',
  },
}

SCSS

$custom: #c4f25b;
$custom-light: #d9f690;
$custom-dark: #000000;

JSON

{
  "hex": "#c4f25b",
  "rgb": {
    "r": 196,
    "g": 242,
    "b": 91
  },
  "hsl": {
    "h": 78.278,
    "s": 85.311,
    "l": 65.294
  },
  "oklch": {
    "l": 0.9002,
    "c": 0.18301,
    "h": 124.4
  },
  "luminance": 0.75995
}

Semantic roles & 50–950 ramp

primary

#C4F25B

secondary

#5C31C1

accent

#04E247

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C4F25B

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

Preview Lab → · Contrast checker → · Palette generator →