#1B8455
Closest named color: Sea Green (#2E8B57). oklch(54.4% 0.118 158.2), rgb(27, 132, 85).
Aa
White text reads best on this color (4.68:1).
About this color
#1B8455 is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.118 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.025 away. White text reads best on it, at 4.68:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.47:1 |
| White text | 4.68:1 |
Values
| HEX | #1B8455 |
| RGB | rgb(27, 132, 85) |
| HSL | hsl(153, 66%, 31%) |
| OKLCH | oklch(54.4% 0.118 158.2) |
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 #1B8455 | 4.68:1 | AA | Lc -77.6 | Fine for body text |
| Black text on #1B8455 | 4.47:1 | AA large text | Lc 31.9 | Non-text elements, placeholder text |
| #1B8455 text on white | 4.68:1 | AA | Lc 72.1 | Content text, not long reading |
| #1B8455 text on black | 4.47:1 | AA large text | Lc -29.5 | 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
#E2EDE6
oklch(93.6% 0.015 158.2)
-
Step 200
200
#CADFD2
oklch(88.4% 0.029 158.6)
-
Step 300
300
#A5CCB4
oklch(81% 0.053 158)
-
Step 400
400
#71B18D
oklch(70.7% 0.085 158.6)
-
Step 500
500
#479D70
oklch(63% 0.108 158.2)
-
Step 600
600 (this color)
#1B8455
oklch(54.4% 0.118 158.2)
-
Step 700
700
#0F7348
oklch(49.1% 0.11 158)
-
Step 800
800
#135E3B
oklch(42.8% 0.092 157.7)
-
Step 900
900
#1A4D33
oklch(37.8% 0.071 157.9)
-
Step 950
950
#112D1E
oklch(27% 0.044 158)
#1B8455 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) | #837952 | 0.109 |
| Deuteranopia (no green cones) | #767058 | 0.106 |
| Tritanopia (no blue cones) | #008378 | 0.053 |
| Achromatopsia (no color) | #747474 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B8455
#1B8455
oklch(54.4% 0.118 158.2)
- #9B5287
#9B5287
oklch(54.4% 0.118 338.4)
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 #1B8455, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.025
- Jungle Green #048243 ΔE 0.026
- Viridian #1E9167 ΔE 0.042
- Dark Sage #598556 ΔE 0.050
- Fern Green #548D44 ΔE 0.058
- Light Forest Green #4F9153 ΔE 0.059
- Tree Green #2A7E19 ΔE 0.060
- Forest Green #228B22 ΔE 0.065
Use #1B8455 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.