#51D37D#51D37D

#51D37D is a light, vivid green. Relative luminance 0.498; OKLCH L 77.4% C 0.168 H 151.5°. Best body text is #000000 at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#51D37D
RGB	rgb(81, 211, 125)
HSL	hsl(140, 60%, 57%)
HSV	hsv(140, 62%, 83%)
CMYK	cmyk(61.6%, 0%, 40.8%, 17.3%)
CIE-LAB	lab(75.96, -54.47, 32.26)
CIE-LCH	lch(75.96, 63.31, 149.37°)
OKLab	oklab(77.41% -0.1472 0.08)
OKLCH	oklch(77.41% 0.168 151.5)
XYZ	xyz(30.3869, 49.8155, 27.4120)
Luminance	0.4982 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D37D #D351A7

analogous

#66D351 #51D37D #51D3BE

triadic

#51D37D #7D51D3 #D37D51

tetradic

#51D37D #5166D3 #D351A7 #D3BE51

square

#51D37D #5166D3 #D351A7 #D3BE51

split-complementary

#51D37D #BE51D3 #D35166

monochromatic

#228744 #2FB85D #51D37D #82DFA1 #B3ECC6

Accessibility & contrast

On white

1.92

#51D37D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.96

#51D37D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D37D

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D37D	#FFFFFF	#000000	##000000
##51D37D	1.00	1.92	10.96	10.96
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.96	21.00	1.00	1.00
##000000	10.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4C277

Deuteranopia (green-blind)

#C3B783

Tritanopia (blue-blind)

#23D0BE

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #51d37d;
/* rgb */ color: rgb(81, 211, 125);
/* oklch */ color: oklch(77.4% 0.168 151.5);

Tailwind

colors: {
  custom: {
    50: '#8ee1a3',
    500: '#51d37d',
    950: '#000000',
  },
}

SCSS

$custom: #51d37d;
$custom-light: #8ee1a3;
$custom-dark: #000000;

JSON

{
  "hex": "#51d37d",
  "rgb": {
    "r": 81,
    "g": 211,
    "b": 125
  },
  "hsl": {
    "h": 140.308,
    "s": 59.633,
    "l": 57.255
  },
  "oklch": {
    "l": 0.7741,
    "c": 0.16756,
    "h": 151.5
  },
  "luminance": 0.49819
}

Semantic roles & 50–950 ramp

primary

#51D37D

secondary

#DAA6C8

accent

#45ADE3

background

#F9FDFA

surface

#F2FBF4

border

#CCD4CE

text

#0D150F

muted

#7E837F

Preview Lab

Preview with #51D37D

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

Preview Lab → · Contrast checker → · Palette generator →