#51D85B#51D85B

#51D85B is a light, highly saturated green. Relative luminance 0.516; OKLCH L 78.2% C 0.204 H 144.5°. Best body text is #000000 at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#51D85B
RGB	rgb(81, 216, 91)
HSL	hsl(124, 63%, 58%)
HSV	hsv(124, 63%, 85%)
CMYK	cmyk(62.5%, 0%, 57.9%, 15.3%)
CIE-LAB	lab(77.05, -61.26, 50.09)
CIE-LCH	lch(77.05, 79.13, 140.73°)
OKLab	oklab(78.17% -0.166 0.1184)
OKLCH	oklch(78.17% 0.204 144.5)
XYZ	xyz(29.8357, 51.6135, 18.2856)
Luminance	0.5162 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D85B #D851CE

analogous

#8BD851 #51D85B #51D89E

triadic

#51D85B #5B51D8 #D85B51

tetradic

#51D85B #518BD8 #D851CE #D89E51

square

#51D85B #518BD8 #D851CE #D89E51

split-complementary

#51D85B #9E51D8 #D8518B

monochromatic

#208F28 #2BC136 #51D85B #83E38A #B5EEB9

Accessibility & contrast

On white

1.85

#51D85B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.32

#51D85B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D85B

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D85B	#FFFFFF	#000000	##000000
##51D85B	1.00	1.85	11.32	11.32
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.32	21.00	1.00	1.00
##000000	11.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC54E

Deuteranopia (green-blind)

#CBBA65

Tritanopia (blue-blind)

#32D3BD

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #51d85b;
/* rgb */ color: rgb(81, 216, 91);
/* oklch */ color: oklch(78.2% 0.204 144.5);

Tailwind

colors: {
  custom: {
    50: '#90e58d',
    500: '#51d85b',
    950: '#000000',
  },
}

SCSS

$custom: #51d85b;
$custom-light: #90e58d;
$custom-dark: #000000;

JSON

{
  "hex": "#51d85b",
  "rgb": {
    "r": 81,
    "g": 216,
    "b": 91
  },
  "hsl": {
    "h": 124.444,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.78167,
    "c": 0.20387,
    "h": 144.5
  },
  "luminance": 0.51616
}

Semantic roles & 50–950 ramp

primary

#51D85B

secondary

#94398D

accent

#41DAE6

background

#FCFEFC

surface

#F5FCF4

border

#CFD5CE

text

#0E160C

muted

#7F847F

Preview Lab

Preview with #51D85B

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

Preview Lab → · Contrast checker → · Palette generator →