#1B903E#1B903E

#1B903E is a mid, vivid green. Relative luminance 0.205; OKLCH L 57.4% C 0.156 H 148.0°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#1B903E
RGB	rgb(27, 144, 62)
HSL	hsl(138, 68%, 34%)
HSV	hsv(138, 81%, 56%)
CMYK	cmyk(81.3%, 0%, 56.9%, 43.5%)
CIE-LAB	lab(52.43, -49.13, 34.48)
CIE-LCH	lch(52.43, 60.02, 144.94°)
OKLab	oklab(57.35% -0.132 0.0824)
OKLCH	oklch(57.35% 0.156 148)
XYZ	xyz(11.2938, 20.5260, 7.9232)
Luminance	0.2053 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B903E #901B6D

analogous

#32901B #1B903E #1B9078

triadic

#1B903E #3E1B90 #903E1B

tetradic

#1B903E #1B3290 #901B6D #90781B

square

#1B903E #1B3290 #901B6D #90781B

split-complementary

#1B903E #781B90 #901B32

monochromatic

#082912 #115C28 #1B903E #25C454 #49DD75

Accessibility & contrast

On white

4.11

#1B903E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#1B903E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B903E

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B903E	#FFFFFF	#000000	##000000
##1B903E	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928336

Deuteranopia (green-blind)

#857A44

Tritanopia (blue-blind)

#008D7E

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #1b903e;
/* rgb */ color: rgb(27, 144, 62);
/* oklch */ color: oklch(57.4% 0.156 148.0);

Tailwind

colors: {
  custom: {
    50: '#6db275',
    500: '#1b903e',
    950: '#000000',
  },
}

SCSS

$custom: #1b903e;
$custom-light: #6db275;
$custom-dark: #000000;

JSON

{
  "hex": "#1b903e",
  "rgb": {
    "r": 27,
    "g": 144,
    "b": 62
  },
  "hsl": {
    "h": 137.949,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.57352,
    "c": 0.15558,
    "h": 148
  },
  "luminance": 0.20527
}

Semantic roles & 50–950 ramp

primary

#1B903E

secondary

#BF489B

accent

#3DB7EB

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#081108

muted

#7B807B

Preview Lab

Preview with #1B903E

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

Preview Lab → · Contrast checker → · Palette generator →