#51CA5A#51CA5A

#51CA5A is a light, vivid green. Relative luminance 0.447; OKLCH L 74.6% C 0.187 H 144.7°. Best body text is #000000 at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#51CA5A
RGB	rgb(81, 202, 90)
HSL	hsl(124, 53%, 55%)
HSV	hsv(124, 60%, 79%)
CMYK	cmyk(59.9%, 0%, 55.4%, 20.8%)
CIE-LAB	lab(72.71, -56.32, 45.44)
CIE-LCH	lch(72.71, 72.36, 141.10°)
OKLab	oklab(74.58% -0.1526 0.1082)
OKLCH	oklch(74.58% 0.187 144.7)
XYZ	xyz(26.3577, 44.7261, 16.9149)
Luminance	0.4473 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CA5A #CA51C1

analogous

#84CA51 #51CA5A #51CA96

triadic

#51CA5A #5A51CA #CA5A51

tetradic

#51CA5A #5184CA #CA51C1 #CA9651

square

#51CA5A #5184CA #CA51C1 #CA9651

split-complementary

#51CA5A #9651CA #CA5184

monochromatic

#257B2C #34AA3D #51CA5A #80D886 #AFE7B3

Accessibility & contrast

On white

2.11

#51CA5A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.95

#51CA5A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CA5A

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CA5A	#FFFFFF	#000000	##000000
##51CA5A	1.00	2.11	9.95	9.95
#FFFFFF	2.11	1.00	21.00	21.00
#000000	9.95	21.00	1.00	1.00
##000000	9.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDB94F

Deuteranopia (green-blind)

#BEAE62

Tritanopia (blue-blind)

#38C5B1

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #51ca5a;
/* rgb */ color: rgb(81, 202, 90);
/* oklch */ color: oklch(74.6% 0.187 144.7);

Tailwind

colors: {
  custom: {
    50: '#8edb8b',
    500: '#51ca5a',
    950: '#000000',
  },
}

SCSS

$custom: #51ca5a;
$custom-light: #8edb8b;
$custom-dark: #000000;

JSON

{
  "hex": "#51ca5a",
  "rgb": {
    "r": 81,
    "g": 202,
    "b": 90
  },
  "hsl": {
    "h": 124.463,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.74584,
    "c": 0.18709,
    "h": 144.7
  },
  "luminance": 0.44729
}

Semantic roles & 50–950 ramp

primary

#51CA5A

secondary

#D5A2D1

accent

#4BD2DD

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #51CA5A

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

Preview Lab → · Contrast checker → · Palette generator →