#51DA8B#51DA8B

#51DA8B is a light, vivid green. Relative luminance 0.538; OKLCH L 79.4% C 0.164 H 154.5°. Best body text is #000000 at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#51DA8B
RGB	rgb(81, 218, 139)
HSL	hsl(145, 65%, 59%)
HSV	hsv(145, 63%, 85%)
CMYK	cmyk(62.8%, 0%, 36.2%, 14.5%)
CIE-LAB	lab(78.32, -54.69, 28.20)
CIE-LCH	lch(78.32, 61.53, 152.72°)
OKLab	oklab(79.43% -0.1481 0.0707)
OKLCH	oklch(79.43% 0.164 154.5)
XYZ	xyz(33.1221, 53.7528, 33.0509)
Luminance	0.5376 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DA8B #DA51A0

analogous

#5BDA51 #51DA8B #51DACF

triadic

#51DA8B #8B51DA #DA8B51

tetradic

#51DA8B #515BDA #DA51A0 #DACF51

square

#51DA8B #515BDA #DA51A0 #DACF51

split-complementary

#51DA8B #CF51DA #DA515B

monochromatic

#1F9250 #2AC46B #51DA8B #83E5AD #B6EFCE

Accessibility & contrast

On white

1.79

#51DA8B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.75

#51DA8B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DA8B

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DA8B	#FFFFFF	#000000	##000000
##51DA8B	1.00	1.79	11.75	11.75
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.75	21.00	1.00	1.00
##000000	11.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC986

Deuteranopia (green-blind)

#C8BD90

Tritanopia (blue-blind)

#0BD8C6

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #51da8b;
/* rgb */ color: rgb(81, 218, 139);
/* oklch */ color: oklch(79.4% 0.164 154.5);

Tailwind

colors: {
  custom: {
    50: '#8fe6ad',
    500: '#51da8b',
    950: '#000000',
  },
}

SCSS

$custom: #51da8b;
$custom-light: #8fe6ad;
$custom-dark: #000000;

JSON

{
  "hex": "#51da8b",
  "rgb": {
    "r": 81,
    "g": 218,
    "b": 139
  },
  "hsl": {
    "h": 145.401,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.79426,
    "c": 0.16412,
    "h": 154.5
  },
  "luminance": 0.53756
}

Semantic roles & 50–950 ramp

primary

#51DA8B

secondary

#97396F

accent

#40A1E8

background

#FCFEFD

surface

#F5FCF7

border

#CFD5D0

text

#0E1610

muted

#7F8481

Preview Lab

Preview with #51DA8B

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

Preview Lab → · Contrast checker → · Palette generator →