#178761
Closest named color: Sea Green (#2E8B57). oklch(55.5% 0.112 164), rgb(23, 135, 97).
Aa
Black text reads best on this color (4.67:1).
About this color
#178761 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.112 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.024 away. Black text reads best on it, at 4.67:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.112) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.67:1 |
| White text | 4.49:1 |
Values
| HEX | #178761 |
| RGB | rgb(23, 135, 97) |
| HSL | hsl(160, 71%, 31%) |
| OKLCH | oklch(55.5% 0.112 164) |
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 #178761 | 4.49:1 | AA large text | Lc -76.2 | Fine for body text |
| Black text on #178761 | 4.67:1 | AA | Lc 33.3 | Non-text elements, placeholder text |
| #178761 text on white | 4.49:1 | AA large text | Lc 70.7 | Content text, not long reading |
| #178761 text on black | 4.67:1 | AA | Lc -30.9 | Non-text elements, placeholder text |
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
#E2EDE7
oklch(93.6% 0.014 162.5)
-
Step 200
200
#C9DFD4
oklch(88.4% 0.028 164.3)
-
Step 300
300
#A3CBB8
oklch(80.8% 0.05 164.7)
-
Step 400
400
#6FB193
oklch(70.7% 0.081 163.8)
-
Step 500
500
#439D79
oklch(63.1% 0.103 164.3)
-
Step 600
600 (this color)
#178761
oklch(55.5% 0.112 164)
-
Step 700
700
#027350
oklch(49.2% 0.105 163.5)
-
Step 800
800
#0D5D42
oklch(42.6% 0.086 164.2)
-
Step 900
900
#174D38
oklch(37.8% 0.067 163.8)
-
Step 950
950
#0F2D21
oklch(27% 0.043 164.6)
#178761 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) | #847D5F | 0.109 |
| Deuteranopia (no green cones) | #777364 | 0.106 |
| Tritanopia (no blue cones) | #00877D | 0.042 |
| Achromatopsia (no color) | #777777 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #178761
#178761
oklch(55.5% 0.112 164)
- #A05683
#A05683
oklch(55.5% 0.113 344.1)
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 #178761, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.024
- Viridian #1E9167 ΔE 0.031
- Jungle Green #048243 ΔE 0.042
- Dark Sage #598556 ΔE 0.048
- Light Forest Green #4F9153 ΔE 0.056
- Teal #008080 ΔE 0.059
- Fern Green #548D44 ΔE 0.060
- Dark Cyan #008B8B ΔE 0.061
Use #178761 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.