#25523F
Closest named color: Dark Blue Green (#005249). oklch(40.1% 0.06 163.9), rgb(37, 82, 63).
Aa
White text reads best on this color (8.90:1).
About this color
#25523F is a dark, muted green. In OKLCH its lightness is 40%, its chroma 0.060 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.024 away. White text reads best on it, at 8.90:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | muted (0.060) |
| Temperature | in between |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.35:1 |
| White text | 8.90:1 |
Values
| HEX | #25523F |
| RGB | rgb(37, 82, 63) |
| HSL | hsl(155, 38%, 23%) |
| OKLCH | oklch(40.1% 0.06 163.9) |
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 #25523F | 8.90:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #25523F | 2.35:1 | Fails | Lc 13.7 | Not readable |
| #25523F text on white | 8.90:1 | AAA | Lc 90.3 | Preferred for body text |
| #25523F text on black | 2.35:1 | Fails | Lc -12.0 | 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 900.
-
Step 50
50
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE7
oklch(93.6% 0.014 162.5)
-
Step 200
200
#CBDFD5
oklch(88.6% 0.025 164.4)
-
Step 300
300
#A7CAB9
oklch(80.9% 0.044 164.3)
-
Step 400
400
#76AF95
oklch(70.7% 0.071 164.3)
-
Step 500
500
#4E9B7A
oklch(63.1% 0.092 163.7)
-
Step 600
600
#2D8563
oklch(55.5% 0.099 163.9)
-
Step 700
700
#1E7152
oklch(49.1% 0.093 163.7)
-
Step 800
800
#1C5C43
oklch(42.7% 0.077 163.5)
-
Step 900
900 (this color)
#25523F
oklch(40.1% 0.06 163.9)
-
Step 950
950
#132C21
oklch(26.9% 0.038 163.5)
#25523F 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) | #514D3E | 0.059 |
| Deuteranopia (no green cones) | #4A4840 | 0.056 |
| Tritanopia (no blue cones) | #16524D | 0.024 |
| Achromatopsia (no color) | #4A4A4A | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25523F
#25523F
oklch(40.1% 0.06 163.9)
- #5F3A50
#5F3A50
oklch(40% 0.061 343.7)
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 #25523F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.024
- Dark Slate Gray #2F4F4F ΔE 0.034
- Dark Teal #014D4E ΔE 0.040
- Deep Teal #00555A ΔE 0.044
- Pine #2B5D34 ΔE 0.046
- Spruce #0A5F38 ΔE 0.049
- Evergreen #05472A ΔE 0.053
- Dark Green Blue #1F6357 ΔE 0.057
Use #25523F 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.