#51B025#51B025

#51B025 is a light, vivid green. Relative luminance 0.329; OKLCH L 67.3% C 0.192 H 138.1°. Best body text is #000000 at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#51B025
RGB	rgb(81, 176, 37)
HSL	hsl(101, 65%, 42%)
HSV	hsv(101, 79%, 69%)
CMYK	cmyk(54%, 0%, 79%, 31%)
CIE-LAB	lab(64.11, -51.64, 57.64)
CIE-LCH	lch(64.11, 77.39, 131.86°)
OKLab	oklab(67.35% -0.1429 0.1281)
OKLCH	oklch(67.35% 0.192 138.1)
XYZ	xyz(19.2519, 32.9320, 7.0919)
Luminance	0.3293 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B025 #8425B0

analogous

#97B025 #51B025 #25B03F

triadic

#51B025 #2551B0 #B02551

tetradic

#51B025 #2597B0 #8425B0 #B03F25

square

#51B025 #2597B0 #8425B0 #B03F25

split-complementary

#51B025 #3F25B0 #B02597

monochromatic

#224B10 #3A7D1A #51B025 #6DD63C #93E16F

Accessibility & contrast

On white

2.77

#51B025 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.59

#51B025 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B025

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B025	#FFFFFF	#000000	##000000
##51B025	1.00	2.77	7.59	7.59
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.59	21.00	1.00	1.00
##000000	7.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A000

Deuteranopia (green-blind)

#AA9835

Tritanopia (blue-blind)

#49AA96

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #51b025;
/* rgb */ color: rgb(81, 176, 37);
/* oklch */ color: oklch(67.3% 0.192 138.1);

Tailwind

colors: {
  custom: {
    50: '#8cc86b',
    500: '#51b025',
    950: '#000000',
  },
}

SCSS

$custom: #51b025;
$custom-light: #8cc86b;
$custom-dark: #000000;

JSON

{
  "hex": "#51b025",
  "rgb": {
    "r": 81,
    "g": 176,
    "b": 37
  },
  "hsl": {
    "h": 101.007,
    "s": 65.258,
    "l": 41.765
  },
  "oklch": {
    "l": 0.67348,
    "c": 0.19191,
    "h": 138.1
  },
  "luminance": 0.32934
}

Semantic roles & 50–950 ramp

primary

#51B025

secondary

#AA6AC7

accent

#40E8B3

background

#F9FCF6

surface

#F1F8EC

border

#CBD1C7

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #51B025

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

Preview Lab → · Contrast checker → · Palette generator →