#255133
Closest named color: Dark Blue Green (#005249). oklch(39.4% 0.071 152.2), rgb(37, 81, 51).
Aa
White text reads best on this color (9.11:1).
About this color
#255133 is a dark, moderately saturated green. In OKLCH its lightness is 39%, its chroma 0.071 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.037 away. White text reads best on it, at 9.11:1.
| Hue family | Greens |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.071) |
| Temperature | in between |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.30:1 |
| White text | 9.11:1 |
Values
| HEX | #255133 |
| RGB | rgb(37, 81, 51) |
| HSL | hsl(139, 37%, 23%) |
| OKLCH | oklch(39.4% 0.071 152.2) |
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 #255133 | 9.11:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #255133 | 2.30:1 | Fails | Lc 13.1 | Not readable |
| #255133 text on white | 9.11:1 | AAA | Lc 90.8 | Preferred for body text |
| #255133 text on black | 2.30:1 | Fails | Lc -11.5 | 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 900.
-
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
#CBDFD0
oklch(88.5% 0.029 153.3)
-
Step 300
300
#A8CBB0
oklch(80.9% 0.053 151.9)
-
Step 400
400
#77B087
oklch(70.6% 0.085 152.6)
-
Step 500
500
#519C69
oklch(63% 0.108 152.6)
-
Step 600
600
#318750
oklch(55.7% 0.119 152.3)
-
Step 700
700
#237240
oklch(49.1% 0.11 151.9)
-
Step 800
800
#1F5D35
oklch(42.7% 0.092 152)
-
Step 900
900 (this color)
#255133
oklch(39.4% 0.071 152.2)
-
Step 950
950
#142D1B
oklch(27.1% 0.046 151.4)
#255133 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) | #514B31 | 0.061 |
| Deuteranopia (no green cones) | #4B4635 | 0.061 |
| Tritanopia (no blue cones) | #1B5049 | 0.037 |
| Achromatopsia (no color) | #484848 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255133
#255133
oklch(39.4% 0.071 152.2)
- #5C3757
#5C3757
oklch(39.4% 0.071 331.8)
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 #255133, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.037
- Pine #2B5D34 ΔE 0.041
- Evergreen #05472A ΔE 0.044
- Spruce #0A5F38 ΔE 0.045
- Navy Green #35530A ΔE 0.046
- Pine Green #0A481E ΔE 0.047
- Dark Slate Gray #2F4F4F ΔE 0.051
- Dark Teal #014D4E ΔE 0.053
Use #255133 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.