#51A91E#51A91E

#51A91E is a light, vivid yellow-green. Relative luminance 0.302; OKLCH L 65.5% C 0.187 H 137.2°. Best body text is #000000 at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#51A91E
RGB	rgb(81, 169, 30)
HSL	hsl(98, 70%, 39%)
HSV	hsv(98, 82%, 66%)
CMYK	cmyk(52.1%, 0%, 82.2%, 33.7%)
CIE-LAB	lab(61.84, -49.38, 57.59)
CIE-LCH	lch(61.84, 75.86, 130.61°)
OKLab	oklab(65.47% -0.1372 0.127)
OKLCH	oklch(65.47% 0.187 137.2)
XYZ	xyz(17.8151, 30.2177, 6.1219)
Luminance	0.3022 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A91E #761EA9

analogous

#97A91E #51A91E #1EA931

triadic

#51A91E #1E51A9 #A91E51

tetradic

#51A91E #1E97A9 #761EA9 #A9311E

square

#51A91E #1E97A9 #761EA9 #A9311E

split-complementary

#51A91E #311EA9 #A91E97

monochromatic

#1F410C #387515 #51A91E #6BD92B #8FE35F

Accessibility & contrast

On white

2.98

#51A91E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.04

#51A91E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51A91E

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A91E	#FFFFFF	#000000	##000000
##51A91E	1.00	2.98	7.04	7.04
#FFFFFF	2.98	1.00	21.00	21.00
#000000	7.04	21.00	1.00	1.00
##000000	7.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AF9A00

Deuteranopia (green-blind)

#A3932F

Tritanopia (blue-blind)

#4BA390

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #51a91e;
/* rgb */ color: rgb(81, 169, 30);
/* oklch */ color: oklch(65.5% 0.187 137.2);

Tailwind

colors: {
  custom: {
    50: '#8bc367',
    500: '#51a91e',
    950: '#000000',
  },
}

SCSS

$custom: #51a91e;
$custom-light: #8bc367;
$custom-dark: #000000;

JSON

{
  "hex": "#51a91e",
  "rgb": {
    "r": 81,
    "g": 169,
    "b": 30
  },
  "hsl": {
    "h": 97.986,
    "s": 69.849,
    "l": 39.02
  },
  "oklch": {
    "l": 0.6547,
    "c": 0.18695,
    "h": 137.2
  },
  "luminance": 0.30219
}

Semantic roles & 50–950 ramp

primary

#51A91E

secondary

#A05CC7

accent

#3BEDAC

background

#F9FCF6

surface

#F1F8EB

border

#CBD1C6

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #51A91E

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

Preview Lab → · Contrast checker → · Palette generator →