#51D956#51D956

#51D956 is a light, highly saturated green. Relative luminance 0.520; OKLCH L 78.4% C 0.209 H 143.8°. Best body text is #000000 at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#51D956
RGB	rgb(81, 217, 86)
HSL	hsl(122, 64%, 58%)
HSV	hsv(122, 63%, 85%)
CMYK	cmyk(62.7%, 0%, 60.4%, 14.9%)
CIE-LAB	lab(77.31, -62.19, 52.61)
CIE-LCH	lch(77.31, 81.46, 139.77°)
OKLab	oklab(78.36% -0.1687 0.1234)
OKLCH	oklch(78.36% 0.209 143.8)
XYZ	xyz(29.8841, 52.0440, 17.2729)
Luminance	0.5205 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D956 #D951D4

analogous

#90D951 #51D956 #51D99A

triadic

#51D956 #5651D9 #D95651

tetradic

#51D956 #5190D9 #D951D4 #D99A51

square

#51D956 #5190D9 #D951D4 #D99A51

split-complementary

#51D956 #9A51D9 #D95190

monochromatic

#1F9024 #2AC230 #51D956 #83E487 #B5EFB8

Accessibility & contrast

On white

1.84

#51D956 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.41

#51D956 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D956

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D956	#FFFFFF	#000000	##000000
##51D956	1.00	1.84	11.41	11.41
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.41	21.00	1.00	1.00
##000000	11.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC648

Deuteranopia (green-blind)

#CCBB61

Tritanopia (blue-blind)

#33D3BD

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #51d956;
/* rgb */ color: rgb(81, 217, 86);
/* oklch */ color: oklch(78.4% 0.209 143.8);

Tailwind

colors: {
  custom: {
    50: '#91e68a',
    500: '#51d956',
    950: '#000000',
  },
}

SCSS

$custom: #51d956;
$custom-light: #91e68a;
$custom-dark: #000000;

JSON

{
  "hex": "#51d956",
  "rgb": {
    "r": 81,
    "g": 217,
    "b": 86
  },
  "hsl": {
    "h": 122.206,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.78364,
    "c": 0.20901,
    "h": 143.8
  },
  "luminance": 0.52047
}

Semantic roles & 50–950 ramp

primary

#51D956

secondary

#953992

accent

#41E1E7

background

#FCFEFC

surface

#F5FCF4

border

#CFD5CE

text

#0E160C

muted

#7F847F

Preview Lab

Preview with #51D956

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

Preview Lab → · Contrast checker → · Palette generator →