#255C40
Closest named color: Pine (#2B5D34). oklch(42.9% 0.075 158.6), rgb(37, 92, 64).
Aa
White text reads best on this color (7.82:1).
About this color
#255C40 is a dark, moderately saturated green. In OKLCH its lightness is 43%, its chroma 0.075 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.019 away. White text reads best on it, at 7.82:1.
| Hue family | Greens |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.075) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 2.68:1 |
| White text | 7.82:1 |
Values
| HEX | #255C40 |
| RGB | rgb(37, 92, 64) |
| HSL | hsl(149, 43%, 25%) |
| OKLCH | oklch(42.9% 0.075 158.6) |
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 #255C40 | 7.82:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #255C40 | 2.68:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #255C40 text on white | 7.82:1 | AAA | Lc 87.0 | Fine for body text |
| #255C40 text on black | 2.68:1 | Fails | Lc -15.1 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3EDE7
oklch(93.7% 0.013 159.9)
-
Step 200
200
#CCDED3
oklch(88.4% 0.024 159.1)
-
Step 300
300
#AACAB6
oklch(81% 0.044 157.8)
-
Step 400
400
#7BAE90
oklch(70.6% 0.07 158.2)
-
Step 500
500
#569A75
oklch(63.1% 0.09 158.6)
-
Step 600
600
#38855E
oklch(55.7% 0.098 158.7)
-
Step 700
700
#2A704D
oklch(49.1% 0.091 158.5)
-
Step 800
800 (this color)
#255C40
oklch(42.9% 0.075 158.6)
-
Step 900
900
#234B36
oklch(37.7% 0.059 158.9)
-
Step 950
950
#152C20
oklch(27% 0.037 159.8)
#255C40 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) | #5B553E | 0.070 |
| Deuteranopia (no green cones) | #535042 | 0.067 |
| Tritanopia (no blue cones) | #125B54 | 0.034 |
| Achromatopsia (no color) | #525252 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255C40
#255C40
oklch(42.9% 0.075 158.6)
- #6A3F5D
#6A3F5D
oklch(42.9% 0.074 339)
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 #255C40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.019
- Spruce #0A5F38 ΔE 0.024
- Dark Green Blue #1F6357 ΔE 0.036
- Dark Blue Green #005249 ΔE 0.047
- Navy Green #35530A ΔE 0.057
- Dark Slate Gray #2F4F4F ΔE 0.057
- Deep Teal #00555A ΔE 0.057
- Army Green #4B5D16 ΔE 0.060
Use #255C40 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.