#51A626#51A626

#51A626 is a light, vivid yellow-green. Relative luminance 0.292; OKLCH L 64.7% C 0.180 H 137.5°. Best body text is #000000 at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#51A626
RGB	rgb(81, 166, 38)
HSL	hsl(100, 63%, 40%)
HSV	hsv(100, 77%, 65%)
CMYK	cmyk(51.2%, 0%, 77.1%, 34.9%)
CIE-LAB	lab(60.92, -47.77, 54.28)
CIE-LCH	lch(60.92, 72.31, 131.35°)
OKLab	oklab(64.73% -0.1324 0.1213)
OKLCH	oklch(64.73% 0.18 137.5)
XYZ	xyz(17.3788, 29.1604, 6.5461)
Luminance	0.2916 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A626 #7B26A6

analogous

#91A626 #51A626 #26A63B

triadic

#51A626 #2651A6 #A62651

tetradic

#51A626 #2691A6 #7B26A6 #A63B26

square

#51A626 #2691A6 #7B26A6 #A63B26

split-complementary

#51A626 #3B26A6 #A62691

monochromatic

#20420F #39741B #51A626 #6BD138 #90DD6A

Accessibility & contrast

On white

3.07

#51A626 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.83

#51A626 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A626

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A626	#FFFFFF	#000000	##000000
##51A626	1.00	3.07	6.83	6.83
#FFFFFF	3.07	1.00	21.00	21.00
#000000	6.83	21.00	1.00	1.00
##000000	6.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AC9706

Deuteranopia (green-blind)

#A19034

Tritanopia (blue-blind)

#4BA08E

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #51a626;
/* rgb */ color: rgb(81, 166, 38);
/* oklch */ color: oklch(64.7% 0.180 137.5);

Tailwind

colors: {
  custom: {
    50: '#8ac16a',
    500: '#51a626',
    950: '#000000',
  },
}

SCSS

$custom: #51a626;
$custom-light: #8ac16a;
$custom-dark: #000000;

JSON

{
  "hex": "#51a626",
  "rgb": {
    "r": 81,
    "g": 166,
    "b": 38
  },
  "hsl": {
    "h": 99.844,
    "s": 62.745,
    "l": 40
  },
  "oklch": {
    "l": 0.64727,
    "c": 0.17953,
    "h": 137.5
  },
  "luminance": 0.29162
}

Semantic roles & 50–950 ramp

primary

#51A626

secondary

#A365C3

accent

#42E6AF

background

#F8FBF6

surface

#F0F7EC

border

#CBD0C7

text

#0D1207

muted

#7D817A

Preview Lab

Preview with #51A626

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

Preview Lab → · Contrast checker → · Palette generator →