#18875C
Closest named color: Sea Green (#2E8B57). oklch(55.4% 0.116 161.1), rgb(24, 135, 92).
Aa
Black text reads best on this color (4.65:1).
About this color
#18875C is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.116 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.020 away. Black text reads best on it, at 4.65:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.116) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.65:1 |
| White text | 4.50:1 |
Values
| HEX | #18875C |
| RGB | rgb(24, 135, 92) |
| HSL | hsl(157, 70%, 31%) |
| OKLCH | oklch(55.4% 0.116 161.1) |
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 #18875C | 4.50:1 | AA | Lc -76.3 | Fine for body text |
| Black text on #18875C | 4.65:1 | AA | Lc 33.2 | Non-text elements, placeholder text |
| #18875C text on white | 4.50:1 | AA | Lc 70.8 | Content text, not long reading |
| #18875C text on black | 4.65:1 | AA | Lc -30.8 | 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
#C9DFD3
oklch(88.4% 0.029 162)
-
Step 300
300
#A4CCB6
oklch(81% 0.052 160.9)
-
Step 400
400
#70B190
oklch(70.7% 0.083 161.2)
-
Step 500
500
#449D74
oklch(63% 0.107 161)
-
Step 600
600 (this color)
#18875C
oklch(55.4% 0.116 161.1)
-
Step 700
700
#04734C
oklch(49.1% 0.108 160.9)
-
Step 800
800
#0E5E3F
oklch(42.8% 0.09 161.2)
-
Step 900
900
#174D35
oklch(37.7% 0.07 160.7)
-
Step 950
950
#102D1F
oklch(27% 0.044 160.3)
#18875C 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) | #857C59 | 0.110 |
| Deuteranopia (no green cones) | #78735F | 0.107 |
| Tritanopia (no blue cones) | #00877C | 0.048 |
| Achromatopsia (no color) | #777777 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18875C
#18875C
oklch(55.4% 0.116 161.1)
- #9F5587
#9F5587
oklch(55.4% 0.116 340.7)
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 #18875C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.020
- Viridian #1E9167 ΔE 0.031
- Jungle Green #048243 ΔE 0.035
- Dark Sage #598556 ΔE 0.047
- Light Forest Green #4F9153 ΔE 0.053
- Fern Green #548D44 ΔE 0.056
- Ocean Green #3D9973 ΔE 0.064
- Teal #008080 ΔE 0.065
Use #18875C 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.