#51D263#51D263

#51D263 is a light, vivid green. Relative luminance 0.487; OKLCH L 76.7% C 0.190 H 145.9°. Best body text is #000000 at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#51D263
RGB	rgb(81, 210, 99)
HSL	hsl(128, 59%, 57%)
HSV	hsv(128, 61%, 82%)
CMYK	cmyk(61.4%, 0%, 52.9%, 17.6%)
CIE-LAB	lab(75.29, -58.09, 44.28)
CIE-LCH	lch(75.29, 73.04, 142.68°)
OKLab	oklab(76.74% -0.1571 0.1063)
OKLCH	oklch(76.74% 0.19 145.9)
XYZ	xyz(28.6902, 48.7406, 19.6979)
Luminance	0.4874 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D263 #D251C0

analogous

#80D251 #51D263 #51D2A4

triadic

#51D263 #6351D2 #D26351

tetradic

#51D263 #5180D2 #D251C0 #D2A451

square

#51D263 #5180D2 #D251C0 #D2A451

split-complementary

#51D263 #A451D2 #D25180

monochromatic

#238631 #2FB742 #51D263 #82DF8F #B2EBBA

Accessibility & contrast

On white

1.95

#51D263 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.75

#51D263 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D263

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D263	#FFFFFF	#000000	##000000
##51D263	1.00	1.95	10.75	10.75
#FFFFFF	1.95	1.00	21.00	21.00
#000000	10.75	21.00	1.00	1.00
##000000	10.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5C059

Deuteranopia (green-blind)

#C5B56B

Tritanopia (blue-blind)

#32CDB9

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #51d263;
/* rgb */ color: rgb(81, 210, 99);
/* oklch */ color: oklch(76.7% 0.190 145.9);

Tailwind

colors: {
  custom: {
    50: '#8fe192',
    500: '#51d263',
    950: '#000000',
  },
}

SCSS

$custom: #51d263;
$custom-light: #8fe192;
$custom-dark: #000000;

JSON

{
  "hex": "#51d263",
  "rgb": {
    "r": 81,
    "g": 210,
    "b": 99
  },
  "hsl": {
    "h": 128.372,
    "s": 58.904,
    "l": 57.059
  },
  "oklch": {
    "l": 0.76744,
    "c": 0.18966,
    "h": 145.9
  },
  "luminance": 0.48743
}

Semantic roles & 50–950 ramp

primary

#51D263

secondary

#DAA5D2

accent

#46CCE2

background

#F9FDF9

surface

#F2FBF1

border

#CCD4CB

text

#0E150D

muted

#7E837E

Preview Lab

Preview with #51D263

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

Preview Lab → · Contrast checker → · Palette generator →