#51E590#51E590

#51E590 is a very light, vivid green. Relative luminance 0.598; OKLCH L 82.3% C 0.174 H 154.3°. Best body text is #000000 at 12.96:1 contrast (WCAG AA passes).

Color values

HEX	#51E590
RGB	rgb(81, 229, 144)
HSL	hsl(146, 74%, 61%)
HSV	hsv(146, 65%, 90%)
CMYK	cmyk(64.6%, 0%, 37.1%, 10.2%)
CIE-LAB	lab(81.73, -58.00, 30.20)
CIE-LCH	lch(81.73, 65.39, 152.50°)
OKLab	oklab(82.26% -0.1569 0.0755)
OKLCH	oklch(82.26% 0.174 154.3)
XYZ	xyz(36.4435, 59.7977, 36.0017)
Luminance	0.5980 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E590 #E551A6

analogous

#5CE551 #51E590 #51E5DA

triadic

#51E590 #9051E5 #E59051

tetradic

#51E590 #515CE5 #E551A6 #E5DA51

square

#51E590 #515CE5 #E551A6 #E5DA51

split-complementary

#51E590 #DA51E5 #E5515C

monochromatic

#18A353 #20D86F #51E590 #86EDB2 #BBF5D4

Accessibility & contrast

On white

1.62

#51E590 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.96

#51E590 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E590

12.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E590	#FFFFFF	#000000	##000000
##51E590	1.00	1.62	12.96	12.96
#FFFFFF	1.62	1.00	21.00	21.00
#000000	12.96	21.00	1.00	1.00
##000000	12.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5D38A

Deuteranopia (green-blind)

#D1C696

Tritanopia (blue-blind)

#00E2CF

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #51e590;
/* rgb */ color: rgb(81, 229, 144);
/* oklch */ color: oklch(82.3% 0.174 154.3);

Tailwind

colors: {
  custom: {
    50: '#91eeb1',
    500: '#51e590',
    950: '#000000',
  },
}

SCSS

$custom: #51e590;
$custom-light: #91eeb1;
$custom-dark: #000000;

JSON

{
  "hex": "#51e590",
  "rgb": {
    "r": 81,
    "g": 229,
    "b": 144
  },
  "hsl": {
    "h": 145.541,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.82257,
    "c": 0.17415,
    "h": 154.3
  },
  "luminance": 0.59802
}

Semantic roles & 50–950 ramp

primary

#51E590

secondary

#A63575

accent

#0F82D6

background

#FCFFFD

surface

#F5FEF7

border

#CFD6D0

text

#0E1610

muted

#7F8581

Preview Lab

Preview with #51E590

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

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