#51E489#51E489

#51E489 is a light, vivid green. Relative luminance 0.590; OKLCH L 81.9% C 0.179 H 152.6°. Best body text is #000000 at 12.81:1 contrast (WCAG AA passes).

Color values

HEX	#51E489
RGB	rgb(81, 228, 137)
HSL	hsl(143, 73%, 61%)
HSV	hsv(143, 64%, 89%)
CMYK	cmyk(64.5%, 0%, 39.9%, 10.6%)
CIE-LAB	lab(81.31, -58.87, 33.20)
CIE-LCH	lch(81.31, 67.58, 150.58°)
OKLab	oklab(81.88% -0.159 0.0825)
OKLCH	oklch(81.88% 0.179 152.6)
XYZ	xyz(35.6491, 59.0385, 33.1789)
Luminance	0.5904 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E489 #E451AC

analogous

#62E451 #51E489 #51E4D2

triadic

#51E489 #8951E4 #E48951

tetradic

#51E489 #5162E4 #E451AC #E4D251

square

#51E489 #5162E4 #E451AC #E4D251

split-complementary

#51E489 #D251E4 #E45162

monochromatic

#19A24D #21D766 #51E489 #86ECAD #BBF4D1

Accessibility & contrast

On white

1.64

#51E489 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.81

#51E489 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E489

12.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E489	#FFFFFF	#000000	##000000
##51E489	1.00	1.64	12.81	12.81
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.81	21.00	1.00	1.00
##000000	12.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4D283

Deuteranopia (green-blind)

#D1C58F

Tritanopia (blue-blind)

#00E1CD

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #51e489;
/* rgb */ color: rgb(81, 228, 137);
/* oklch */ color: oklch(81.9% 0.179 152.6);

Tailwind

colors: {
  custom: {
    50: '#91edac',
    500: '#51e489',
    950: '#000000',
  },
}

SCSS

$custom: #51e489;
$custom-light: #91edac;
$custom-dark: #000000;

JSON

{
  "hex": "#51e489",
  "rgb": {
    "r": 81,
    "g": 228,
    "b": 137
  },
  "hsl": {
    "h": 142.857,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.81878,
    "c": 0.17913,
    "h": 152.6
  },
  "luminance": 0.59042
}

Semantic roles & 50–950 ramp

primary

#51E489

secondary

#A4357A

accent

#108AD5

background

#FCFFFD

surface

#F5FEF7

border

#CFD6D0

text

#0E1610

muted

#7F8581

Preview Lab

Preview with #51E489

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

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