#51CA23#51CA23

#51CA23 is a light, highly saturated green. Relative luminance 0.441; OKLCH L 74.1% C 0.222 H 139.2°. Best body text is #000000 at 9.82:1 contrast (WCAG AA passes).

Color values

HEX	#51CA23
RGB	rgb(81, 202, 35)
HSL	hsl(103, 70%, 46%)
HSV	hsv(103, 83%, 79%)
CMYK	cmyk(59.9%, 0%, 82.7%, 20.8%)
CIE-LAB	lab(72.30, -61.04, 65.79)
CIE-LCH	lch(72.30, 89.74, 132.86°)
OKLab	oklab(74.11% -0.1682 0.1449)
OKLCH	oklch(74.11% 0.222 139.2)
XYZ	xyz(24.8162, 44.1095, 8.7960)
Luminance	0.4411 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CA23 #9C23CA

analogous

#A5CA23 #51CA23 #23CA49

triadic

#51CA23 #2351CA #CA2351

tetradic

#51CA23 #23A5CA #9C23CA #CA4923

square

#51CA23 #23A5CA #9C23CA #CA4923

split-complementary

#51CA23 #4923CA #CA23A5

monochromatic

#276211 #3C961A #51CA23 #74E04A #9CE97F

Accessibility & contrast

On white

2.14

#51CA23 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.82

#51CA23 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CA23

9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CA23	#FFFFFF	#000000	##000000
##51CA23	1.00	2.14	9.82	9.82
#FFFFFF	2.14	1.00	21.00	21.00
#000000	9.82	21.00	1.00	1.00
##000000	9.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B700

Deuteranopia (green-blind)

#C1AE39

Tritanopia (blue-blind)

#42C3AC

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #51ca23;
/* rgb */ color: rgb(81, 202, 35);
/* oklch */ color: oklch(74.1% 0.222 139.2);

Tailwind

colors: {
  custom: {
    50: '#90db6e',
    500: '#51ca23',
    950: '#000000',
  },
}

SCSS

$custom: #51ca23;
$custom-light: #90db6e;
$custom-dark: #000000;

JSON

{
  "hex": "#51ca23",
  "rgb": {
    "r": 81,
    "g": 202,
    "b": 35
  },
  "hsl": {
    "h": 103.473,
    "s": 70.464,
    "l": 46.471
  },
  "oklch": {
    "l": 0.74115,
    "c": 0.222,
    "h": 139.2
  },
  "luminance": 0.44112
}

Semantic roles & 50–950 ramp

primary

#51CA23

secondary

#B878D1

accent

#3BEDBC

background

#F9FDF7

surface

#F2FBED

border

#CCD4C8

text

#0E1508

muted

#7E837B

Preview Lab

Preview with #51CA23

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

Preview Lab → · Contrast checker → · Palette generator →