#237D5F
Closest named color: Bluegreen (#017A79). oklch(52.9% 0.096 166.4), rgb(35, 125, 95).
Aa
White text reads best on this color (5.03:1).
About this color
#237D5F is a medium-dark, moderately saturated green. In OKLCH its lightness is 53%, its chroma 0.096 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.045 away. White text reads best on it, at 5.03:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.096) |
| Temperature | in between |
| Nearest name | Bluegreen (#017A79) |
| Black text | 4.17:1 |
| White text | 5.03:1 |
Values
| HEX | #237D5F |
| RGB | rgb(35, 125, 95) |
| HSL | hsl(160, 56%, 31%) |
| OKLCH | oklch(52.9% 0.096 166.4) |
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 #237D5F | 5.03:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #237D5F | 4.17:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #237D5F text on white | 5.03:1 | AA | Lc 74.5 | Content text, not long reading |
| #237D5F text on black | 4.17:1 | AA large text | Lc -27.2 | 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 600.
-
Step 50
50
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE8
oklch(93.6% 0.013 167.2)
-
Step 200
200
#CBDED5
oklch(88.4% 0.024 165.8)
-
Step 300
300
#A7CABA
oklch(80.9% 0.044 165.9)
-
Step 400
400
#76AF97
oklch(70.8% 0.07 166.2)
-
Step 500
500
#4F9B7D
oklch(63.2% 0.089 165.8)
-
Step 600
600 (this color)
#237D5F
oklch(52.9% 0.096 166.4)
-
Step 700
700
#1E7155
oklch(49.2% 0.09 166)
-
Step 800
800
#1C5C46
oklch(42.8% 0.075 166.5)
-
Step 900
900
#1E4B3B
oklch(37.6% 0.057 167.3)
-
Step 950
950
#132C22
oklch(26.9% 0.037 165.7)
#237D5F 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) | #7A745D | 0.096 |
| Deuteranopia (no green cones) | #6E6B61 | 0.093 |
| Tritanopia (no blue cones) | #007D75 | 0.034 |
| Achromatopsia (no color) | #6F6F6F | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #237D5F
#237D5F
oklch(52.9% 0.096 166.4)
- #935377
#935377
oklch(52.8% 0.097 346.1)
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 #237D5F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.045
- Teal #008080 ΔE 0.049
- Jungle Green #048243 ΔE 0.049
- Sea Green #2E8B57 ΔE 0.050
- Dark Aquamarine #017371 ΔE 0.050
- Deep Turquoise #017374 ΔE 0.054
- Dark Sage #598556 ΔE 0.057
- Deep Aqua #08787F ΔE 0.057
Use #237D5F 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.