#255F00
Closest named color: Dark Green (#006400). oklch(43% 0.132 137.6), rgb(37, 95, 0).
Aa
White text reads best on this color (7.73:1).
About this color
#255F00 is a dark, moderately saturated green. In OKLCH its lightness is 43%, its chroma 0.132 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green (#006400), ΔE 0.022 away. White text reads best on it, at 7.73:1.
| Hue family | Greens |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.132) |
| Temperature | in between |
| Nearest name | Dark Green (#006400) |
| Black text | 2.71:1 |
| White text | 7.73:1 |
Values
| HEX | #255F00 |
| RGB | rgb(37, 95, 0) |
| HSL | hsl(97, 100%, 19%) |
| OKLCH | oklch(43% 0.132 137.6) |
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 #255F00 | 7.73:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #255F00 | 2.71:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #255F00 text on white | 7.73:1 | AAA | Lc 86.5 | Fine for body text |
| #255F00 text on black | 2.71:1 | Fails | Lc -15.6 | Dividers and decoration only |
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
#F2F7F0
oklch(97% 0.011 136.6)
-
Step 100
100
#E3EEDF
oklch(93.7% 0.023 137.2)
-
Step 200
200
#CCE0C5
oklch(88.4% 0.042 137.5)
-
Step 300
300
#A9CD9C
oklch(80.9% 0.077 137.5)
-
Step 400
400
#7AB265
oklch(70.6% 0.122 137.6)
-
Step 500
500
#569E36
oklch(63% 0.156 137.5)
-
Step 600
600
#388900
oklch(55.7% 0.171 137.7)
-
Step 700
700
#2E7300
oklch(49.1% 0.151 137.7)
-
Step 800
800 (this color)
#255F00
oklch(43% 0.132 137.6)
-
Step 900
900
#234D0F
oklch(37.6% 0.102 137.6)
-
Step 950
950
#152D0B
oklch(26.8% 0.064 137.7)
#255F00 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) | #625600 | 0.084 |
| Deuteranopia (no green cones) | #5B510F | 0.083 |
| Tritanopia (no blue cones) | #205B50 | 0.094 |
| Achromatopsia (no color) | #535353 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255F00
#255F00
oklch(43% 0.132 137.6)
- #6C337E
#6C337E
oklch(42.9% 0.132 317.4)
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 #255F00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green #006400 ΔE 0.022
- Deep Green #02590F ΔE 0.030
- Forest #0B5509 ΔE 0.040
- Navy Green #35530A ΔE 0.042
- Camouflage Green #4B6113 ΔE 0.048
- Army Green #4B5D16 ΔE 0.049
- Pine #2B5D34 ΔE 0.049
- Spruce #0A5F38 ΔE 0.050
Use #255F00 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.