#51B82F#51B82F

#51B82F is a light, vivid green. Relative luminance 0.362; OKLCH L 69.5% C 0.196 H 139.3°. Best body text is #000000 at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#51B82F
RGB	rgb(81, 184, 47)
HSL	hsl(105, 59%, 45%)
HSV	hsv(105, 74%, 72%)
CMYK	cmyk(56%, 0%, 74.5%, 27.8%)
CIE-LAB	lab(66.70, -53.97, 56.86)
CIE-LCH	lch(66.70, 78.39, 133.50°)
OKLab	oklab(69.5% -0.1485 0.1279)
OKLCH	oklch(69.5% 0.196 139.3)
XYZ	xyz(21.0461, 36.2338, 8.5735)
Luminance	0.3624 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B82F #962FB8

analogous

#96B82F #51B82F #2FB851

triadic

#51B82F #2F51B8 #B82F51

tetradic

#51B82F #2F96B8 #962FB8 #B8512F

square

#51B82F #2F96B8 #962FB8 #B8512F

split-complementary

#51B82F #512FB8 #B82F96

monochromatic

#265716 #3C8723 #51B82F #72D352 #99DF82

Accessibility & contrast

On white

2.55

#51B82F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.25

#51B82F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B82F

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B82F	#FFFFFF	#000000	##000000
##51B82F	1.00	2.55	8.25	8.25
#FFFFFF	2.55	1.00	21.00	21.00
#000000	8.25	21.00	1.00	1.00
##000000	8.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDA813

Deuteranopia (green-blind)

#B09F3D

Tritanopia (blue-blind)

#46B29E

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #51b82f;
/* rgb */ color: rgb(81, 184, 47);
/* oklch */ color: oklch(69.5% 0.196 139.3);

Tailwind

colors: {
  custom: {
    50: '#8dce71',
    500: '#51b82f',
    950: '#000000',
  },
}

SCSS

$custom: #51b82f;
$custom-light: #8dce71;
$custom-dark: #000000;

JSON

{
  "hex": "#51b82f",
  "rgb": {
    "r": 81,
    "g": 184,
    "b": 47
  },
  "hsl": {
    "h": 105.109,
    "s": 59.307,
    "l": 45.294
  },
  "oklch": {
    "l": 0.69504,
    "c": 0.19603,
    "h": 139.3
  },
  "luminance": 0.36236
}

Semantic roles & 50–950 ramp

primary

#51B82F

secondary

#B57BC8

accent

#45E2BB

background

#F9FCF7

surface

#F1F9ED

border

#CBD2C8

text

#0D1408

muted

#7E827B

Preview Lab

Preview with #51B82F

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

Preview Lab → · Contrast checker → · Palette generator →