#51AB2E#51AB2E

#51AB2E is a light, vivid green. Relative luminance 0.311; OKLCH L 66.1% C 0.181 H 138.5°. Best body text is #000000 at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#51AB2E
RGB	rgb(81, 171, 46)
HSL	hsl(103, 58%, 43%)
HSV	hsv(103, 73%, 67%)
CMYK	cmyk(52.6%, 0%, 73.1%, 32.9%)
CIE-LAB	lab(62.57, -49.16, 53.08)
CIE-LCH	lch(62.57, 72.34, 132.80°)
OKLab	oklab(66.1% -0.1356 0.1199)
OKLCH	oklch(66.1% 0.181 138.5)
XYZ	xyz(18.4487, 31.0710, 7.6094)
Luminance	0.3107 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AB2E #882EAB

analogous

#90AB2E #51AB2E #2EAB49

triadic

#51AB2E #2E51AB #AB2E51

tetradic

#51AB2E #2E90AB #882EAB #AB492E

square

#51AB2E #2E90AB #882EAB #AB492E

split-complementary

#51AB2E #492EAB #AB2E90

monochromatic

#234B14 #3A7B21 #51AB2E #6ECE48 #94DB79

Accessibility & contrast

On white

2.91

#51AB2E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.21

#51AB2E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AB2E

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AB2E	#FFFFFF	#000000	##000000
##51AB2E	1.00	2.91	7.21	7.21
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.21	21.00	1.00	1.00
##000000	7.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B09C17

Deuteranopia (green-blind)

#A5943A

Tritanopia (blue-blind)

#49A593

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #51ab2e;
/* rgb */ color: rgb(81, 171, 46);
/* oklch */ color: oklch(66.1% 0.181 138.5);

Tailwind

colors: {
  custom: {
    50: '#8bc56f',
    500: '#51ab2e',
    950: '#000000',
  },
}

SCSS

$custom: #51ab2e;
$custom-light: #8bc56f;
$custom-dark: #000000;

JSON

{
  "hex": "#51ab2e",
  "rgb": {
    "r": 81,
    "g": 171,
    "b": 46
  },
  "hsl": {
    "h": 103.2,
    "s": 57.604,
    "l": 42.549
  },
  "oklch": {
    "l": 0.66097,
    "c": 0.18101,
    "h": 138.5
  },
  "luminance": 0.31072
}

Semantic roles & 50–950 ramp

primary

#51AB2E

secondary

#AC72C3

accent

#47E1B6

background

#F9FCF6

surface

#F1F8EC

border

#CBD1C7

text

#0D1308

muted

#7E827B

Preview Lab

Preview with #51AB2E

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

Preview Lab → · Contrast checker → · Palette generator →