#255B33
Closest named color: Pine (#2B5D34). oklch(42.3% 0.087 149.7), rgb(37, 91, 51).
Aa
White text reads best on this color (8.00:1).
About this color
#255B33 is a dark, moderately saturated green. In OKLCH its lightness is 42%, its chroma 0.087 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.009 away. White text reads best on it, at 8.00:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.087) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 2.62:1 |
| White text | 8.00:1 |
Values
| HEX | #255B33 |
| RGB | rgb(37, 91, 51) |
| HSL | hsl(136, 42%, 25%) |
| OKLCH | oklch(42.3% 0.087 149.7) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #255B33 | 8.00:1 | AAA | Lc -92.2 | Preferred for body text |
| Black text on #255B33 | 2.62:1 | Fails | Lc 16.5 | Dividers and decoration only |
| #255B33 text on white | 8.00:1 | AAA | Lc 87.5 | Fine for body text |
| #255B33 text on black | 2.62:1 | Fails | Lc -14.6 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE5
oklch(93.6% 0.015 151.8)
-
Step 200
200
#CDDFCF
oklch(88.6% 0.029 148.6)
-
Step 300
300
#AACAAF
oklch(80.8% 0.051 149.6)
-
Step 400
400
#7CAF85
oklch(70.6% 0.082 149.4)
-
Step 500
500
#589B67
oklch(63.1% 0.104 149.8)
-
Step 600
600
#3B854E
oklch(55.5% 0.113 149.7)
-
Step 700
700
#2C713F
oklch(49.1% 0.105 149.9)
-
Step 800
800 (this color)
#255B33
oklch(42.3% 0.087 149.7)
-
Step 900
900
#244C2D
oklch(37.8% 0.07 149.4)
-
Step 950
950
#162C1B
oklch(26.9% 0.042 150.1)
#255B33 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #5C5430 | 0.073 |
| Deuteranopia (no green cones) | #544E36 | 0.072 |
| Tritanopia (no blue cones) | #185951 | 0.049 |
| Achromatopsia (no color) | #505050 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255B33
#255B33
oklch(42.3% 0.087 149.7)
- #683B65
#683B65
oklch(42.3% 0.088 329.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #255B33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.009
- Spruce #0A5F38 ΔE 0.017
- Navy Green #35530A ΔE 0.040
- Deep Green #02590F ΔE 0.047
- Army Green #4B5D16 ΔE 0.050
- Forest #0B5509 ΔE 0.051
- Dark Green Blue #1F6357 ΔE 0.053
- Dark Blue Green #005249 ΔE 0.056
Use #255B33 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.