#51D37F#51D37F

#51D37F is a light, vivid green. Relative luminance 0.499; OKLCH L 77.4% C 0.166 H 152.0°. Best body text is #000000 at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#51D37F
RGB	rgb(81, 211, 127)
HSL	hsl(141, 60%, 57%)
HSV	hsv(141, 62%, 83%)
CMYK	cmyk(61.6%, 0%, 39.8%, 17.3%)
CIE-LAB	lab(75.99, -54.13, 31.28)
CIE-LCH	lch(75.99, 62.51, 149.98°)
OKLab	oklab(77.45% -0.1463 0.0777)
OKLCH	oklch(77.45% 0.166 152)
XYZ	xyz(30.5160, 49.8671, 28.0917)
Luminance	0.4987 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D37F #D351A5

analogous

#64D351 #51D37F #51D3C0

triadic

#51D37F #7F51D3 #D37F51

tetradic

#51D37F #5164D3 #D351A5 #D3C051

square

#51D37F #5164D3 #D351A5 #D3C051

split-complementary

#51D37F #C051D3 #D35164

monochromatic

#228746 #2FB85F #51D37F #82DFA3 #B3ECC7

Accessibility & contrast

On white

1.91

#51D37F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.97

#51D37F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D37F

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D37F	#FFFFFF	#000000	##000000
##51D37F	1.00	1.91	10.97	10.97
#FFFFFF	1.91	1.00	21.00	21.00
#000000	10.97	21.00	1.00	1.00
##000000	10.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3C379

Deuteranopia (green-blind)

#C2B784

Tritanopia (blue-blind)

#21D0BE

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #51d37f;
/* rgb */ color: rgb(81, 211, 127);
/* oklch */ color: oklch(77.4% 0.166 152.0);

Tailwind

colors: {
  custom: {
    50: '#8ee1a5',
    500: '#51d37f',
    950: '#000000',
  },
}

SCSS

$custom: #51d37f;
$custom-light: #8ee1a5;
$custom-dark: #000000;

JSON

{
  "hex": "#51d37f",
  "rgb": {
    "r": 81,
    "g": 211,
    "b": 127
  },
  "hsl": {
    "h": 141.231,
    "s": 59.633,
    "l": 57.255
  },
  "oklch": {
    "l": 0.77446,
    "c": 0.16571,
    "h": 152
  },
  "luminance": 0.4987
}

Semantic roles & 50–950 ramp

primary

#51D37F

secondary

#DAA6C8

accent

#45ABE3

background

#F9FDFA

surface

#F2FBF4

border

#CCD4CE

text

#0D150F

muted

#7E837F

Preview Lab

Preview with #51D37F

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

Preview Lab → · Contrast checker → · Palette generator →