#51AC2B#51AC2B

#51AC2B is a light, vivid green. Relative luminance 0.314; OKLCH L 66.3% C 0.184 H 138.3°. Best body text is #000000 at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#51AC2B
RGB	rgb(81, 172, 43)
HSL	hsl(102, 60%, 42%)
HSV	hsv(102, 75%, 67%)
CMYK	cmyk(52.9%, 0%, 75%, 32.5%)
CIE-LAB	lab(62.87, -49.75, 54.46)
CIE-LCH	lch(62.87, 73.77, 132.41°)
OKLab	oklab(66.34% -0.1374 0.1224)
OKLCH	oklch(66.34% 0.184 138.3)
XYZ	xyz(18.5812, 31.4274, 7.3720)
Luminance	0.3143 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AC2B #862BAC

analogous

#91AC2B #51AC2B #2BAC46

triadic

#51AC2B #2B51AC #AC2B51

tetradic

#51AC2B #2B91AC #862BAC #AC462B

square

#51AC2B #2B91AC #862BAC #AC462B

split-complementary

#51AC2B #462BAC #AC2B91

monochromatic

#234A13 #3A7B1F #51AC2B #6DD044 #93DC75

Accessibility & contrast

On white

2.88

#51AC2B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.29

#51AC2B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AC2B

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AC2B	#FFFFFF	#000000	##000000
##51AC2B	1.00	2.88	7.29	7.29
#FFFFFF	2.88	1.00	21.00	21.00
#000000	7.29	21.00	1.00	1.00
##000000	7.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B19D10

Deuteranopia (green-blind)

#A69538

Tritanopia (blue-blind)

#49A693

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #51ac2b;
/* rgb */ color: rgb(81, 172, 43);
/* oklch */ color: oklch(66.3% 0.184 138.3);

Tailwind

colors: {
  custom: {
    50: '#8bc56d',
    500: '#51ac2b',
    950: '#000000',
  },
}

SCSS

$custom: #51ac2b;
$custom-light: #8bc56d;
$custom-dark: #000000;

JSON

{
  "hex": "#51ac2b",
  "rgb": {
    "r": 81,
    "g": 172,
    "b": 43
  },
  "hsl": {
    "h": 102.326,
    "s": 60,
    "l": 42.157
  },
  "oklch": {
    "l": 0.66337,
    "c": 0.184,
    "h": 138.3
  },
  "luminance": 0.31429
}

Semantic roles & 50–950 ramp

primary

#51AC2B

secondary

#AB6FC4

accent

#45E3B4

background

#F9FCF6

surface

#F1F8EC

border

#CBD1C7

text

#0D1308

muted

#7E827B

Preview Lab

Preview with #51AC2B

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

Preview Lab → · Contrast checker → · Palette generator →