#1D901B#1D901B

#1D901B is a mid, vivid green. Relative luminance 0.203; OKLCH L 57.0% C 0.180 H 142.6°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#1D901B
RGB	rgb(29, 144, 27)
HSL	hsl(119, 68%, 34%)
HSV	hsv(119, 81%, 56%)
CMYK	cmyk(79.9%, 0%, 81.3%, 43.5%)
CIE-LAB	lab(52.16, -52.53, 48.94)
CIE-LCH	lch(52.16, 71.80, 137.03°)
OKLab	oklab(57.04% -0.1427 0.1091)
OKLCH	oklch(57.04% 0.18 142.6)
XYZ	xyz(10.6771, 20.2856, 4.3895)
Luminance	0.2029 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D901B #8E1B90

analogous

#57901B #1D901B #1B9053

triadic

#1D901B #1B1D90 #901B1D

tetradic

#1D901B #1B5790 #8E1B90 #90531B

square

#1D901B #1B5790 #8E1B90 #90531B

split-complementary

#1D901B #531B90 #901B57

monochromatic

#082908 #135C11 #1D901B #27C425 #4BDD49

Accessibility & contrast

On white

4.15

#1D901B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#1D901B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1D901B

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D901B	#FFFFFF	#000000	##000000
##1D901B	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#938200

Deuteranopia (green-blind)

#877929

Tritanopia (blue-blind)

#008C7A

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #1d901b;
/* rgb */ color: rgb(29, 144, 27);
/* oklch */ color: oklch(57.0% 0.180 142.6);

Tailwind

colors: {
  custom: {
    50: '#6fb262',
    500: '#1d901b',
    950: '#000000',
  },
}

SCSS

$custom: #1d901b;
$custom-light: #6fb262;
$custom-dark: #000000;

JSON

{
  "hex": "#1d901b",
  "rgb": {
    "r": 29,
    "g": 144,
    "b": 27
  },
  "hsl": {
    "h": 118.974,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.57042,
    "c": 0.17958,
    "h": 142.6
  },
  "luminance": 0.20287
}

Semantic roles & 50–950 ramp

primary

#1D901B

secondary

#BD48BF

accent

#3DEBE8

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#091105

muted

#7B807A

Preview Lab

Preview with #1D901B

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

Preview Lab → · Contrast checker → · Palette generator →