#1F9F33#1F9F33

#1F9F33 is a mid, vivid green. Relative luminance 0.253; OKLCH L 61.5% C 0.182 H 144.9°. Best body text is #000000 at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#1F9F33
RGB	rgb(31, 159, 51)
HSL	hsl(129, 67%, 37%)
HSV	hsv(129, 81%, 62%)
CMYK	cmyk(80.5%, 0%, 67.9%, 37.6%)
CIE-LAB	lab(57.39, -55.08, 45.27)
CIE-LCH	lch(57.39, 71.29, 140.58°)
OKLab	oklab(61.46% -0.1486 0.1045)
OKLCH	oklch(61.46% 0.182 144.9)
XYZ	xyz(13.5598, 25.3250, 7.3049)
Luminance	0.2533 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9F33 #9F1F8B

analogous

#4B9F1F #1F9F33 #1F9F73

triadic

#1F9F33 #331F9F #9F331F

tetradic

#1F9F33 #1F4B9F #9F1F8B #9F731F

square

#1F9F33 #1F4B9F #9F1F8B #9F731F

split-complementary

#1F9F33 #731F9F #9F1F4B

monochromatic

#0B3912 #156C23 #1F9F33 #29D243 #5ADF6E

Accessibility & contrast

On white

3.46

#1F9F33 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.07

#1F9F33 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9F33

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9F33	#FFFFFF	#000000	##000000
##1F9F33	1.00	3.46	6.07	6.07
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.07	21.00	1.00	1.00
##000000	6.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A29025

Deuteranopia (green-blind)

#94863D

Tritanopia (blue-blind)

#009B89

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #1f9f33;
/* rgb */ color: rgb(31, 159, 51);
/* oklch */ color: oklch(61.5% 0.182 144.9);

Tailwind

colors: {
  custom: {
    50: '#73bd70',
    500: '#1f9f33',
    950: '#000000',
  },
}

SCSS

$custom: #1f9f33;
$custom-light: #73bd70;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9f33",
  "rgb": {
    "r": 31,
    "g": 159,
    "b": 51
  },
  "hsl": {
    "h": 129.375,
    "s": 67.368,
    "l": 37.255
  },
  "oklch": {
    "l": 0.61455,
    "c": 0.18167,
    "h": 144.9
  },
  "luminance": 0.25327
}

Semantic roles & 50–950 ramp

primary

#1F9F33

secondary

#C357B2

accent

#3ECFEA

background

#F7FBF6

surface

#EEF7EC

border

#C9D0C7

text

#091208

muted

#7B817B

Preview Lab

Preview with #1F9F33

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

Preview Lab → · Contrast checker → · Palette generator →