#255A47
Closest named color: Dark Green Blue (#1F6357). oklch(42.6% 0.065 167.1), rgb(37, 90, 71).
Aa
White text reads best on this color (7.97:1).
About this color
#255A47 is a dark, muted green. In OKLCH its lightness is 43%, its chroma 0.065 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.032 away. White text reads best on it, at 7.97:1.
| Hue family | Greens |
| Lightness | dark (43%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.63:1 |
| White text | 7.97:1 |
Values
| HEX | #255A47 |
| RGB | rgb(37, 90, 71) |
| HSL | hsl(158, 42%, 25%) |
| OKLCH | oklch(42.6% 0.065 167.1) |
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 #255A47 | 7.97:1 | AAA | Lc -92.2 | Preferred for body text |
| Black text on #255A47 | 2.63:1 | Fails | Lc 16.5 | Dividers and decoration only |
| #255A47 text on white | 7.97:1 | AAA | Lc 87.5 | Fine for body text |
| #255A47 text on black | 2.63:1 | Fails | Lc -14.7 | 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 800.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E3ECE8
oklch(93.5% 0.011 167.8)
-
Step 200
200
#CDDED6
oklch(88.6% 0.021 166)
-
Step 300
300
#AAC9BB
oklch(80.9% 0.039 166.3)
-
Step 400
400
#7BAD99
oklch(70.6% 0.061 167.9)
-
Step 500
500
#579980
oklch(63.1% 0.078 167.5)
-
Step 600
600
#3A8369
oklch(55.6% 0.084 167.3)
-
Step 700
700
#2B6F57
oklch(49.1% 0.079 166.9)
-
Step 800
800 (this color)
#255A47
oklch(42.6% 0.065 167.1)
-
Step 900
900
#244A3C
oklch(37.6% 0.05 167.6)
-
Step 950
950
#162C23
oklch(27.1% 0.033 165.9)
#255A47 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) | #585446 | 0.066 |
| Deuteranopia (no green cones) | #504E48 | 0.064 |
| Tritanopia (no blue cones) | #0D5A55 | 0.025 |
| Achromatopsia (no color) | #515151 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255A47
#255A47
oklch(42.6% 0.065 167.1)
- #693F55
#693F55
oklch(42.5% 0.066 347.6)
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 #255A47, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.032
- Pine #2B5D34 ΔE 0.033
- Spruce #0A5F38 ΔE 0.037
- Dark Blue Green #005249 ΔE 0.037
- Dark Slate Gray #2F4F4F ΔE 0.043
- Deep Teal #00555A ΔE 0.044
- Petrol #005F6A ΔE 0.055
- Dark Teal #014D4E ΔE 0.055
Use #255A47 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.