#51902E#51902E

#51902E is a mid, vivid yellow-green. Relative luminance 0.219; OKLCH L 59.0% C 0.146 H 136.3°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#51902E
RGB	rgb(81, 144, 46)
HSL	hsl(99, 52%, 37%)
HSV	hsv(99, 68%, 56%)
CMYK	cmyk(43.8%, 0%, 68.1%, 43.5%)
CIE-LAB	lab(53.91, -38.18, 44.10)
CIE-LCH	lch(53.91, 58.33, 130.88°)
OKLab	oklab(58.99% -0.1059 0.1011)
OKLCH	oklch(58.99% 0.146 136.3)
XYZ	xyz(13.8594, 21.8923, 6.0796)
Luminance	0.2189 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51902E #6D2E90

analogous

#82902E #51902E #2E903C

triadic

#51902E #2E5190 #902E51

tetradic

#51902E #2E8290 #6D2E90 #903C2E

square

#51902E #2E8290 #6D2E90 #903C2E

split-complementary

#51902E #3C2E90 #902E82

monochromatic

#1D3310 #37621F #51902E #6BBE3D #8ECF69

Accessibility & contrast

On white

3.90

#51902E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#51902E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51902E

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51902E	#FFFFFF	#000000	##000000
##51902E	1.00	3.90	5.38	5.38
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958421

Deuteranopia (green-blind)

#8C7F36

Tritanopia (blue-blind)

#4E8B7C

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #51902e;
/* rgb */ color: rgb(81, 144, 46);
/* oklch */ color: oklch(59.0% 0.146 136.3);

Tailwind

colors: {
  custom: {
    50: '#87b16c',
    500: '#51902e',
    950: '#000000',
  },
}

SCSS

$custom: #51902e;
$custom-light: #87b16c;
$custom-dark: #000000;

JSON

{
  "hex": "#51902e",
  "rgb": {
    "r": 81,
    "g": 144,
    "b": 46
  },
  "hsl": {
    "h": 98.571,
    "s": 51.579,
    "l": 37.255
  },
  "oklch": {
    "l": 0.58987,
    "c": 0.14638,
    "h": 136.3
  },
  "luminance": 0.21893
}

Semantic roles & 50–950 ramp

primary

#51902E

secondary

#9964B6

accent

#4DDBA8

background

#F8FAF6

surface

#F0F5EC

border

#CBCFC7

text

#0C1107

muted

#7D807A

Preview Lab

Preview with #51902E

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

Preview Lab → · Contrast checker → · Palette generator →