#257E2B#257E2B

#257E2B is a mid, vivid green. Relative luminance 0.155; OKLCH L 52.3% C 0.146 H 144.1°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#257E2B
RGB	rgb(37, 126, 43)
HSL	hsl(124, 55%, 32%)
HSV	hsv(124, 71%, 49%)
CMYK	cmyk(70.6%, 0%, 65.9%, 50.6%)
CIE-LAB	lab(46.30, -43.53, 36.67)
CIE-LCH	lch(46.30, 56.92, 139.89°)
OKLab	oklab(52.26% -0.1179 0.0854)
OKLCH	oklch(52.26% 0.146 144.1)
XYZ	xyz(8.6593, 15.4885, 4.8183)
Luminance	0.1549 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257E2B #7E2578

analogous

#4C7E25 #257E2B #257E58

triadic

#257E2B #2B257E #7E2B25

tetradic

#257E2B #254C7E #7E2578 #7E5825

square

#257E2B #254C7E #7E2578 #7E5825

split-complementary

#257E2B #58257E #7E254C

monochromatic

#091F0B #174F1B #257E2B #33AD3B #51CC5A

Accessibility & contrast

On white

5.12

#257E2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#257E2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257E2B

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257E2B	#FFFFFF	#000000	##FFFFFF
##257E2B	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#807221

Deuteranopia (green-blind)

#766B32

Tritanopia (blue-blind)

#0A7A6D

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #257e2b;
/* rgb */ color: rgb(37, 126, 43);
/* oklch */ color: oklch(52.3% 0.146 144.1);

Tailwind

colors: {
  custom: {
    50: '#6da468',
    500: '#257e2b',
    950: '#000000',
  },
}

SCSS

$custom: #257e2b;
$custom-light: #6da468;
$custom-dark: #000000;

JSON

{
  "hex": "#257e2b",
  "rgb": {
    "r": 37,
    "g": 126,
    "b": 43
  },
  "hsl": {
    "h": 124.045,
    "s": 54.601,
    "l": 31.961
  },
  "oklch": {
    "l": 0.5226,
    "c": 0.14556,
    "h": 144.1
  },
  "luminance": 0.15489
}

Semantic roles & 50–950 ramp

primary

#257E2B

secondary

#B04FAA

accent

#4AD4DE

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#080F06

muted

#7B7F7A

Preview Lab

Preview with #257E2B

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

Preview Lab → · Contrast checker → · Palette generator →