#1B8955
Closest named color: Sea Green (#2E8B57). oklch(55.8% 0.125 156.7), rgb(27, 137, 85).
Aa
Black text reads best on this color (4.75:1).
About this color
#1B8955 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.125 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.013 away. Black text reads best on it, at 4.75:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.75:1 |
| White text | 4.41:1 |
Values
| HEX | #1B8955 |
| RGB | rgb(27, 137, 85) |
| HSL | hsl(152, 67%, 32%) |
| OKLCH | oklch(55.8% 0.125 156.7) |
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 #1B8955 | 4.41:1 | AA large text | Lc -75.7 | Fine for body text |
| Black text on #1B8955 | 4.75:1 | AA | Lc 33.9 | Non-text elements, placeholder text |
| #1B8955 text on white | 4.41:1 | AA large text | Lc 70.2 | Content text, not long reading |
| #1B8955 text on black | 4.75:1 | AA | Lc -31.5 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE5
oklch(93.6% 0.016 154.5)
-
Step 200
200
#C9E0D1
oklch(88.5% 0.032 157.1)
-
Step 300
300
#A4CCB2
oklch(80.9% 0.056 156.4)
-
Step 400
400
#70B28A
oklch(70.8% 0.09 156.6)
-
Step 500
500
#449E6D
oklch(63.1% 0.114 156.9)
-
Step 600
600 (this color)
#1B8955
oklch(55.8% 0.125 156.7)
-
Step 700
700
#057445
oklch(49.2% 0.116 156.8)
-
Step 800
800
#0E5E39
oklch(42.7% 0.095 157)
-
Step 900
900
#174D31
oklch(37.6% 0.075 157)
-
Step 950
950
#102D1D
oklch(26.9% 0.046 157)
#1B8955 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) | #887E52 | 0.113 |
| Deuteranopia (no green cones) | #7B7458 | 0.111 |
| Tritanopia (no blue cones) | #00887C | 0.058 |
| Achromatopsia (no color) | #787878 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B8955
#1B8955
oklch(55.8% 0.125 156.7)
- #A1558F
#A1558F
oklch(55.9% 0.125 336.7)
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 #1B8955, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.013
- Jungle Green #048243 ΔE 0.030
- Viridian #1E9167 ΔE 0.030
- Light Forest Green #4F9153 ΔE 0.046
- Fern Green #548D44 ΔE 0.047
- Dark Sage #598556 ΔE 0.048
- Kelley Green #009337 ΔE 0.054
- Forest Green #228B22 ΔE 0.056
Use #1B8955 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.