#255641
Closest named color: Dark Blue Green (#005249). oklch(41.2% 0.064 163.2), rgb(37, 86, 65).
Aa
White text reads best on this color (8.44:1).
About this color
#255641 is a dark, muted green. In OKLCH its lightness is 41%, its chroma 0.064 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.030 away. White text reads best on it, at 8.44:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | muted (0.064) |
| Temperature | in between |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.48:1 |
| White text | 8.44:1 |
Values
| HEX | #255641 |
| RGB | rgb(37, 86, 65) |
| HSL | hsl(154, 40%, 24%) |
| OKLCH | oklch(41.2% 0.064 163.2) |
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 #255641 | 8.44:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #255641 | 2.48:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #255641 text on white | 8.44:1 | AAA | Lc 88.9 | Fine for body text |
| #255641 text on black | 2.48:1 | Fails | Lc -13.3 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CDDED5
oklch(88.5% 0.022 163)
-
Step 300
300
#ACC9BA
oklch(81% 0.038 163)
-
Step 400
400
#7EAD96
oklch(70.7% 0.061 163.2)
-
Step 500
500
#5B987C
oklch(63% 0.077 163.3)
-
Step 600
600
#3F8365
oklch(55.7% 0.084 162.8)
-
Step 700
700
#306F54
oklch(49.2% 0.079 163)
-
Step 800
800 (this color)
#255641
oklch(41.2% 0.064 163.2)
-
Step 900
900
#264A3A
oklch(37.7% 0.05 163.5)
-
Step 950
950
#172B22
oklch(26.9% 0.031 164)
#255641 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) | #555040 | 0.064 |
| Deuteranopia (no green cones) | #4D4B42 | 0.060 |
| Tritanopia (no blue cones) | #135650 | 0.026 |
| Achromatopsia (no color) | #4D4D4D | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255641
#255641
oklch(41.2% 0.064 163.2)
- #633C54
#633C54
oklch(41.1% 0.065 342.8)
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 #255641, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.030
- Pine #2B5D34 ΔE 0.035
- Spruce #0A5F38 ΔE 0.039
- Dark Slate Gray #2F4F4F ΔE 0.040
- Deep Teal #00555A ΔE 0.045
- Dark Green Blue #1F6357 ΔE 0.046
- Dark Teal #014D4E ΔE 0.048
- Navy Green #35530A ΔE 0.060
Use #255641 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.