#237759
Closest named color: Dark Aquamarine (#017371). oklch(51.1% 0.093 165.1), rgb(35, 119, 89).
Aa
White text reads best on this color (5.44:1).
About this color
#237759 is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.093 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.044 away. White text reads best on it, at 5.44:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.85:1 |
| White text | 5.44:1 |
Values
| HEX | #237759 |
| RGB | rgb(35, 119, 89) |
| HSL | hsl(159, 55%, 30%) |
| OKLCH | oklch(51.1% 0.093 165.1) |
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 #237759 | 5.44:1 | AA | Lc -82.2 | Fine for body text |
| Black text on #237759 | 3.85:1 | AA large text | Lc 27.2 | Dividers and decoration only |
| #237759 text on white | 5.44:1 | AA | Lc 76.9 | Fine for body text |
| #237759 text on black | 3.85:1 | AA large text | Lc -24.9 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE8
oklch(93.6% 0.013 167.2)
-
Step 200
200
#CBDFD5
oklch(88.6% 0.025 164.4)
-
Step 300
300
#A6CAB9
oklch(80.8% 0.045 165)
-
Step 400
400
#75AF96
oklch(70.7% 0.071 165.6)
-
Step 500
500
#4D9B7C
oklch(63.1% 0.091 165.4)
-
Step 600
600
#2A8665
oklch(55.7% 0.1 165.2)
-
Step 700
700 (this color)
#237759
oklch(51.1% 0.093 165.1)
-
Step 800
800
#1A5C44
oklch(42.7% 0.077 164.9)
-
Step 900
900
#1D4C3A
oklch(37.8% 0.06 165.4)
-
Step 950
950
#122C22
oklch(26.9% 0.038 166.4)
#237759 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) | #756E57 | 0.093 |
| Deuteranopia (no green cones) | #69665B | 0.089 |
| Tritanopia (no blue cones) | #00776F | 0.034 |
| Achromatopsia (no color) | #6A6A6A | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #237759
#237759
oklch(51.1% 0.093 165.1)
- #8C4F72
#8C4F72
oklch(51.1% 0.094 345.5)
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 #237759, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.044
- Bluegreen #017A79 ΔE 0.047
- Deep Turquoise #017374 ΔE 0.049
- Jungle Green #048243 ΔE 0.054
- Teal #008080 ΔE 0.057
- Deep Aqua #08787F ΔE 0.059
- Dark Aqua #05696B ΔE 0.062
- Dark Olive Green #556B2F ΔE 0.063
Use #237759 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.