#255B47
Closest named color: Dark Green Blue (#1F6357). oklch(42.8% 0.067 166.2), rgb(37, 91, 71).
Aa
White text reads best on this color (7.87:1).
About this color
#255B47 is a dark, muted green. In OKLCH its lightness is 43%, its chroma 0.067 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.030 away. White text reads best on it, at 7.87:1.
| Hue family | Greens |
| Lightness | dark (43%) |
| Chroma | muted (0.067) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.66:1 |
| White text | 7.87:1 |
Values
| HEX | #255B47 |
| RGB | rgb(37, 91, 71) |
| HSL | hsl(158, 42%, 25%) |
| OKLCH | oklch(42.8% 0.067 166.2) |
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 #255B47 | 7.87:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #255B47 | 2.66:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #255B47 text on white | 7.87:1 | AAA | Lc 87.1 | Fine for body text |
| #255B47 text on black | 2.66:1 | Fails | Lc -15.0 | 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
#CCDED6
oklch(88.5% 0.022 167.4)
-
Step 300
300
#AAC9BB
oklch(80.9% 0.039 166.3)
-
Step 400
400
#7BAD98
oklch(70.6% 0.062 166.7)
-
Step 500
500
#56997F
oklch(63.1% 0.08 166.8)
-
Step 600
600
#398368
oklch(55.5% 0.086 166.6)
-
Step 700
700
#2A6F56
oklch(49% 0.081 166.1)
-
Step 800
800 (this color)
#255B47
oklch(42.8% 0.067 166.2)
-
Step 900
900
#234A3B
oklch(37.5% 0.052 166.5)
-
Step 950
950
#162C23
oklch(27.1% 0.033 165.9)
#255B47 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) | #595546 | 0.067 |
| Deuteranopia (no green cones) | #514F48 | 0.064 |
| Tritanopia (no blue cones) | #0D5B55 | 0.025 |
| Achromatopsia (no color) | #515151 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255B47
#255B47
oklch(42.8% 0.067 166.2)
- #6A4057
#6A4057
oklch(42.9% 0.067 346.3)
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 #255B47, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.030
- Pine #2B5D34 ΔE 0.031
- Spruce #0A5F38 ΔE 0.035
- Dark Blue Green #005249 ΔE 0.040
- Deep Teal #00555A ΔE 0.046
- Dark Slate Gray #2F4F4F ΔE 0.046
- Petrol #005F6A ΔE 0.055
- Dark Teal #014D4E ΔE 0.058
Use #255B47 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.