#255E42
Closest named color: Pine (#2B5D34). oklch(43.6% 0.076 159.3), rgb(37, 94, 66).
Aa
White text reads best on this color (7.61:1).
About this color
#255E42 is a dark, moderately saturated green. In OKLCH its lightness is 44%, its chroma 0.076 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 7.61:1.
| Hue family | Greens |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 2.75:1 |
| White text | 7.61:1 |
Values
| HEX | #255E42 |
| RGB | rgb(37, 94, 66) |
| HSL | hsl(151, 44%, 26%) |
| OKLCH | oklch(43.6% 0.076 159.3) |
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 #255E42 | 7.61:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #255E42 | 2.75:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #255E42 text on white | 7.61:1 | AAA | Lc 86.2 | Fine for body text |
| #255E42 text on black | 2.75:1 | Fails | Lc -15.8 | 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
#A9CAB6
oklch(80.9% 0.045 158.6)
-
Step 400
400
#79AF91
oklch(70.8% 0.072 159.5)
-
Step 500
500
#549A76
oklch(63% 0.09 159.8)
-
Step 600
600
#36855E
oklch(55.7% 0.099 159.1)
-
Step 700
700
#27704E
oklch(49% 0.091 159.8)
-
Step 800
800 (this color)
#255E42
oklch(43.6% 0.076 159.3)
-
Step 900
900
#224B36
oklch(37.6% 0.059 159.3)
-
Step 950
950
#152C20
oklch(27% 0.037 159.8)
#255E42 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) | #5D5740 | 0.072 |
| Deuteranopia (no green cones) | #555144 | 0.071 |
| Tritanopia (no blue cones) | #0F5E56 | 0.032 |
| Achromatopsia (no color) | #545454 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255E42
#255E42
oklch(43.6% 0.076 159.3)
- #6D405F
#6D405F
oklch(43.6% 0.076 339.5)
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 #255E42, 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 0.032
- Dark Blue Green #005249 ΔE 0.051
- Army Green #4B5D16 ΔE 0.059
- Deep Teal #00555A ΔE 0.059
- Navy Green #35530A ΔE 0.060
- Dark Slate Gray #2F4F4F ΔE 0.061
Use #255E42 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.