#51C975#51C975

#51C975 is a light, vivid green. Relative luminance 0.448; OKLCH L 74.7% C 0.161 H 150.5°. Best body text is #000000 at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#51C975
RGB	rgb(81, 201, 117)
HSL	hsl(138, 53%, 55%)
HSV	hsv(138, 60%, 79%)
CMYK	cmyk(59.7%, 0%, 41.8%, 21.2%)
CIE-LAB	lab(72.76, -51.94, 32.18)
CIE-LCH	lch(72.76, 61.11, 148.22°)
OKLab	oklab(74.74% -0.1404 0.0796)
OKLCH	oklch(74.74% 0.161 150.5)
XYZ	xyz(27.4888, 44.8043, 24.0256)
Luminance	0.4481 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C975 #C951A5

analogous

#69C951 #51C975 #51C9B1

triadic

#51C975 #7551C9 #C97551

tetradic

#51C975 #5169C9 #C951A5 #C9B151

square

#51C975 #5169C9 #C951A5 #C9B151

split-complementary

#51C975 #B151C9 #C95169

monochromatic

#267A3F #34A957 #51C975 #80D79A #AEE6BF

Accessibility & contrast

On white

2.11

#51C975 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.96

#51C975 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C975

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C975	#FFFFFF	#000000	##000000
##51C975	1.00	2.11	9.96	9.96
#FFFFFF	2.11	1.00	21.00	21.00
#000000	9.96	21.00	1.00	1.00
##000000	9.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB96F

Deuteranopia (green-blind)

#BAAE7B

Tritanopia (blue-blind)

#2DC6B4

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #51c975;
/* rgb */ color: rgb(81, 201, 117);
/* oklch */ color: oklch(74.7% 0.161 150.5);

Tailwind

colors: {
  custom: {
    50: '#8dda9d',
    500: '#51c975',
    950: '#000000',
  },
}

SCSS

$custom: #51c975;
$custom-light: #8dda9d;
$custom-dark: #000000;

JSON

{
  "hex": "#51c975",
  "rgb": {
    "r": 81,
    "g": 201,
    "b": 117
  },
  "hsl": {
    "h": 138,
    "s": 52.632,
    "l": 55.294
  },
  "oklch": {
    "l": 0.74744,
    "c": 0.16143,
    "h": 150.5
  },
  "luminance": 0.44807
}

Semantic roles & 50–950 ramp

primary

#51C975

secondary

#D4A2C5

accent

#4CB1DC

background

#F9FDF9

surface

#F1FBF2

border

#CBD4CC

text

#0D150E

muted

#7E837E

Preview Lab

Preview with #51C975

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

Preview Lab → · Contrast checker → · Palette generator →