#1F803B#1F803B

#1F803B is a mid, vivid green. Relative luminance 0.160; OKLCH L 52.9% C 0.136 H 148.5°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#1F803B
RGB	rgb(31, 128, 59)
HSL	hsl(137, 61%, 31%)
HSV	hsv(137, 76%, 50%)
CMYK	cmyk(75.8%, 0%, 53.9%, 49.8%)
CIE-LAB	lab(47.03, -43.18, 29.50)
CIE-LCH	lch(47.03, 52.30, 145.66°)
OKLab	oklab(52.89% -0.1162 0.0711)
OKLCH	oklch(52.89% 0.136 148.5)
XYZ	xyz(9.0730, 16.0444, 6.7555)
Luminance	0.1605 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F803B #801F64

analogous

#33801F #1F803B #1F806B

triadic

#1F803B #3B1F80 #803B1F

tetradic

#1F803B #1F3380 #801F64 #806B1F

square

#1F803B #1F3380 #801F64 #806B1F

split-complementary

#1F803B #6B1F80 #801F33

monochromatic

#071D0E #134F24 #1F803B #2BB152 #47D26F

Accessibility & contrast

On white

4.99

#1F803B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#1F803B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F803B

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F803B	#FFFFFF	#000000	##FFFFFF
##1F803B	1.00	4.99	4.21	4.99
#FFFFFF	4.99	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#817435

Deuteranopia (green-blind)

#766C40

Tritanopia (blue-blind)

#007D70

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #1f803b;
/* rgb */ color: rgb(31, 128, 59);
/* oklch */ color: oklch(52.9% 0.136 148.5);

Tailwind

colors: {
  custom: {
    50: '#6aa672',
    500: '#1f803b',
    950: '#000000',
  },
}

SCSS

$custom: #1f803b;
$custom-light: #6aa672;
$custom-dark: #000000;

JSON

{
  "hex": "#1f803b",
  "rgb": {
    "r": 31,
    "g": 128,
    "b": 59
  },
  "hsl": {
    "h": 137.32,
    "s": 61.006,
    "l": 31.176
  },
  "oklch": {
    "l": 0.52891,
    "c": 0.13622,
    "h": 148.5
  },
  "luminance": 0.16045
}

Semantic roles & 50–950 ramp

primary

#1F803B

secondary

#B34894

accent

#44B6E4

background

#F6FAF7

surface

#ECF4ED

border

#C7CEC8

text

#070F08

muted

#7A7F7B

Preview Lab

Preview with #1F803B

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

Preview Lab → · Contrast checker → · Palette generator →