#C5EB51#C5EB51

#C5EB51 is a very light, vivid yellow-green. Relative luminance 0.719; OKLCH L 88.4% C 0.181 H 122.1°. Best body text is #000000 at 15.38:1 contrast (WCAG AA passes).

Color values

HEX	#C5EB51
RGB	rgb(197, 235, 81)
HSL	hsl(75, 79%, 62%)
HSV	hsv(75, 66%, 92%)
CMYK	cmyk(16.2%, 0%, 65.5%, 7.8%)
CIE-LAB	lab(87.91, -33.22, 67.79)
CIE-LCH	lch(87.91, 75.49, 116.11°)
OKLab	oklab(88.44% -0.0964 0.1536)
OKLCH	oklch(88.44% 0.181 122.1)
XYZ	xyz(54.2201, 71.8810, 18.8010)
Luminance	0.7188 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5EB51 #7751EB

analogous

#EBC451 #C5EB51 #78EB51

triadic

#C5EB51 #51C5EB #EB51C5

tetradic

#C5EB51 #51EBC4 #7751EB #EB5178

square

#C5EB51 #51EBC4 #7751EB #EB5178

split-complementary

#C5EB51 #5178EB #C451EB

monochromatic

#88AE14 #B3E51A #C5EB51 #D7F188 #EAF8BF

Accessibility & contrast

On white

1.37

#C5EB51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.38

#C5EB51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5EB51

15.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5EB51	#FFFFFF	#000000	##000000
##C5EB51	1.00	1.37	15.38	15.38
#FFFFFF	1.37	1.00	21.00	21.00
#000000	15.38	21.00	1.00	1.00
##000000	15.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F8DD3B

Deuteranopia (green-blind)

#F4DC5D

Tritanopia (blue-blind)

#CFE0CC

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #c5eb51;
/* rgb */ color: rgb(197, 235, 81);
/* oklch */ color: oklch(88.4% 0.181 122.1);

Tailwind

colors: {
  custom: {
    50: '#daf189',
    500: '#c5eb51',
    950: '#000000',
  },
}

SCSS

$custom: #c5eb51;
$custom-light: #daf189;
$custom-dark: #000000;

JSON

{
  "hex": "#c5eb51",
  "rgb": {
    "r": 197,
    "g": 235,
    "b": 81
  },
  "hsl": {
    "h": 74.805,
    "s": 79.381,
    "l": 61.961
  },
  "oklch": {
    "l": 0.88442,
    "c": 0.18139,
    "h": 122.1
  },
  "luminance": 0.71881
}

Semantic roles & 50–950 ramp

primary

#C5EB51

secondary

#5132AE

accent

#0ADC3E

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15160C

muted

#84857F

Preview Lab

Preview with #C5EB51

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

Preview Lab → · Contrast checker → · Palette generator →