#236F57
Closest named color: Dark Aquamarine (#017371). oklch(48.8% 0.084 168.2), rgb(35, 111, 87).
Aa
White text reads best on this color (6.02:1).
About this color
#236F57 is a medium-dark, moderately saturated green. In OKLCH its lightness is 49%, its chroma 0.084 and its hue 168°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.039 away. White text reads best on it, at 6.02:1.
| Hue family | Greens |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.084) |
| Temperature | in between |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.48:1 |
| White text | 6.02:1 |
Values
| HEX | #236F57 |
| RGB | rgb(35, 111, 87) |
| HSL | hsl(161, 52%, 29%) |
| OKLCH | oklch(48.8% 0.084 168.2) |
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 #236F57 | 6.02:1 | AA | Lc -85.0 | Fine for body text |
| Black text on #236F57 | 3.48:1 | AA large text | Lc 24.2 | Dividers and decoration only |
| #236F57 text on white | 6.02:1 | AA | Lc 79.8 | Fine for body text |
| #236F57 text on black | 3.48:1 | AA large text | Lc -22.0 | 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 700.
-
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
#A8C9BC
oklch(80.8% 0.04 169.5)
-
Step 400
400
#78AE99
oklch(70.7% 0.065 168.3)
-
Step 500
500
#529A80
oklch(63.2% 0.083 168.1)
-
Step 600
600
#338469
oklch(55.6% 0.09 167.9)
-
Step 700
700 (this color)
#236F57
oklch(48.8% 0.084 168.2)
-
Step 800
800
#205B48
oklch(42.7% 0.069 168.6)
-
Step 900
900
#214B3C
oklch(37.8% 0.054 167.7)
-
Step 950
950
#142C23
oklch(27% 0.035 167.4)
#236F57 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) | #6C6756 | 0.085 |
| Deuteranopia (no green cones) | #626059 | 0.081 |
| Tritanopia (no blue cones) | #007068 | 0.027 |
| Achromatopsia (no color) | #636363 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #236F57
#236F57
oklch(48.8% 0.084 168.2)
- #834B68
#834B68
oklch(48.8% 0.085 348.3)
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 #236F57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.039
- Dark Green Blue #1F6357 ΔE 0.040
- Deep Turquoise #017374 ΔE 0.043
- Dark Aqua #05696B ΔE 0.044
- Bluegreen #017A79 ΔE 0.053
- Deep Aqua #08787F ΔE 0.060
- Dark Olive Green #556B2F ΔE 0.063
- Pine #2B5D34 ΔE 0.064
Use #236F57 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.