#255506
Closest named color: Forest (#0B5509). oklch(40% 0.116 136.9), rgb(37, 85, 6).
Aa
White text reads best on this color (8.82:1).
About this color
#255506 is a dark, moderately saturated green. In OKLCH its lightness is 40%, its chroma 0.116 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest (#0B5509), ΔE 0.017 away. White text reads best on it, at 8.82:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.116) |
| Temperature | in between |
| Nearest name | Forest (#0B5509) |
| Black text | 2.38:1 |
| White text | 8.82:1 |
Values
| HEX | #255506 |
| RGB | rgb(37, 85, 6) |
| HSL | hsl(96, 87%, 18%) |
| OKLCH | oklch(40% 0.116 136.9) |
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 #255506 | 8.82:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #255506 | 2.38:1 | Fails | Lc 14.1 | Not readable |
| #255506 text on white | 8.82:1 | AAA | Lc 89.9 | Fine for body text |
| #255506 text on black | 2.38:1 | Fails | Lc -12.4 | 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
#F2F7F0
oklch(97% 0.011 136.6)
-
Step 100
100
#E2EEDE
oklch(93.6% 0.025 137.8)
-
Step 200
200
#CBE1C2
oklch(88.5% 0.048 136.5)
-
Step 300
300
#A6CE96
oklch(80.8% 0.088 136.9)
-
Step 400
400
#75B459
oklch(70.6% 0.14 136.9)
-
Step 500
500
#4EA01D
oklch(63% 0.178 137)
-
Step 600
600
#3C8800
oklch(55.6% 0.168 136.9)
-
Step 700
700
#317200
oklch(49% 0.148 136.9)
-
Step 800
800
#275E00
oklch(42.7% 0.129 137)
-
Step 900
900 (this color)
#255506
oklch(40% 0.116 136.9)
-
Step 950
950
#132E05
oklch(27% 0.073 136.9)
#255506 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) | #584D00 | 0.073 |
| Deuteranopia (no green cones) | #524911 | 0.073 |
| Tritanopia (no blue cones) | #225247 | 0.081 |
| Achromatopsia (no color) | #4A4A4A | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255506
#255506
oklch(40% 0.116 136.9)
- #603070
#603070
oklch(40% 0.115 317)
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 #255506, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest #0B5509 ΔE 0.017
- Navy Green #35530A ΔE 0.019
- Deep Green #02590F ΔE 0.020
- Bottle Green #044A05 ΔE 0.046
- Pine #2B5D34 ΔE 0.048
- Darkgreen #054907 ΔE 0.049
- Spruce #0A5F38 ΔE 0.050
- Dark Green #006400 ΔE 0.050
Use #255506 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.