#51701B#51701B

#51701B is a mid, moderate yellow-green. Relative luminance 0.134; OKLCH L 50.4% C 0.116 H 127.8°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#51701B
RGB	rgb(81, 112, 27)
HSL	hsl(82, 61%, 27%)
HSV	hsv(82, 76%, 44%)
CMYK	cmyk(27.7%, 0%, 75.9%, 56.1%)
CIE-LAB	lab(43.38, -24.86, 41.11)
CIE-LCH	lch(43.38, 48.04, 121.17°)
OKLab	oklab(50.35% -0.0712 0.092)
OKLCH	oklch(50.35% 0.116 127.8)
XYZ	xyz(9.3853, 13.4166, 3.1319)
Luminance	0.1342 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51701B #3A1B70

analogous

#70641B #51701B #27701B

triadic

#51701B #1B5170 #701B51

tetradic

#51701B #1B7064 #3A1B70 #701B27

square

#51701B #1B7064 #3A1B70 #701B27

split-complementary

#51701B #1B2770 #641B70

monochromatic

#121906 #2D3F0F #51701B #75A127 #97CF37

Accessibility & contrast

On white

5.70

#51701B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#51701B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51701B

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51701B	#FFFFFF	#000000	##FFFFFF
##51701B	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#76680B

Deuteranopia (green-blind)

#726623

Tritanopia (blue-blind)

#546B60

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #51701b;
/* rgb */ color: rgb(81, 112, 27);
/* oklch */ color: oklch(50.4% 0.116 127.8);

Tailwind

colors: {
  custom: {
    50: '#85995e',
    500: '#51701b',
    950: '#000000',
  },
}

SCSS

$custom: #51701b;
$custom-light: #85995e;
$custom-dark: #000000;

JSON

{
  "hex": "#51701b",
  "rgb": {
    "r": 81,
    "g": 112,
    "b": 27
  },
  "hsl": {
    "h": 81.882,
    "s": 61.151,
    "l": 27.255
  },
  "oklch": {
    "l": 0.50351,
    "c": 0.11633,
    "h": 127.8
  },
  "luminance": 0.13417
}

Semantic roles & 50–950 ramp

primary

#51701B

secondary

#6642A5

accent

#44E47E

background

#F8F9F5

surface

#EFF2E9

border

#CACCC5

text

#0B0E05

muted

#7C7E79

Preview Lab

Preview with #51701B

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

Preview Lab → · Contrast checker → · Palette generator →