#51D37E#51D37E

#51D37E is a light, vivid green. Relative luminance 0.498; OKLCH L 77.4% C 0.167 H 151.8°. Best body text is #000000 at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#51D37E
RGB	rgb(81, 211, 126)
HSL	hsl(141, 60%, 57%)
HSV	hsv(141, 62%, 83%)
CMYK	cmyk(61.6%, 0%, 40.3%, 17.3%)
CIE-LAB	lab(75.97, -54.30, 31.77)
CIE-LCH	lch(75.97, 62.91, 149.67°)
OKLab	oklab(77.43% -0.1468 0.0789)
OKLCH	oklch(77.43% 0.167 151.8)
XYZ	xyz(30.4511, 49.8412, 27.7502)
Luminance	0.4984 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D37E #D351A6

analogous

#65D351 #51D37E #51D3BF

triadic

#51D37E #7E51D3 #D37E51

tetradic

#51D37E #5165D3 #D351A6 #D3BF51

square

#51D37E #5165D3 #D351A6 #D3BF51

split-complementary

#51D37E #BF51D3 #D35165

monochromatic

#228745 #2FB85E #51D37E #82DFA2 #B3ECC6

Accessibility & contrast

On white

1.91

#51D37E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.97

#51D37E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D37E

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D37E	#FFFFFF	#000000	##000000
##51D37E	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)

#D4C278

Deuteranopia (green-blind)

#C3B784

Tritanopia (blue-blind)

#22D0BE

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #51d37e;
/* rgb */ color: rgb(81, 211, 126);
/* oklch */ color: oklch(77.4% 0.167 151.8);

Tailwind

colors: {
  custom: {
    50: '#8ee1a4',
    500: '#51d37e',
    950: '#000000',
  },
}

SCSS

$custom: #51d37e;
$custom-light: #8ee1a4;
$custom-dark: #000000;

JSON

{
  "hex": "#51d37e",
  "rgb": {
    "r": 81,
    "g": 211,
    "b": 126
  },
  "hsl": {
    "h": 140.769,
    "s": 59.633,
    "l": 57.255
  },
  "oklch": {
    "l": 0.77428,
    "c": 0.16663,
    "h": 151.8
  },
  "luminance": 0.49844
}

Semantic roles & 50–950 ramp

primary

#51D37E

secondary

#DAA6C8

accent

#45ACE3

background

#F9FDFA

surface

#F2FBF4

border

#CCD4CE

text

#0D150F

muted

#7E837F

Preview Lab

Preview with #51D37E

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

Preview Lab → · Contrast checker → · Palette generator →