#18B177
Closest named color: Bluey Green (#2BB179). oklch(67.3% 0.147 160.4), rgb(24, 177, 119).
Aa
Black text reads best on this color (7.59:1).
About this color
#18B177 is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.147 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluey Green (#2BB179), ΔE 0.007 away. Black text reads best on it, at 7.59:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.147) |
| Temperature | in between |
| Nearest name | Bluey Green (#2BB179) |
| Black text | 7.59:1 |
| White text | 2.76:1 |
Values
| HEX | #18B177 |
| RGB | rgb(24, 177, 119) |
| HSL | hsl(157, 76%, 39%) |
| OKLCH | oklch(67.3% 0.147 160.4) |
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 #18B177 | 2.76:1 | Fails | Lc -58.0 | Large or bold text, headings |
| Black text on #18B177 | 7.59:1 | AAA | Lc 51.2 | Large or bold text, headings |
| #18B177 text on white | 2.76:1 | Fails | Lc 52.8 | Large or bold text, headings |
| #18B177 text on black | 7.59:1 | AAA | Lc -49.0 | Large or bold text, headings |
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 400.
-
Step 50
50
#EFF8F3
oklch(97.1% 0.012 162.1)
-
Step 100
100
#DBF0E4
oklch(93.6% 0.027 160.9)
-
Step 200
200
#BDE4CE
oklch(88.5% 0.051 160.5)
-
Step 300
300
#8AD3AD
oklch(80.8% 0.091 160.7)
-
Step 400
400 (this color)
#18B177
oklch(67.3% 0.147 160.4)
-
Step 500
500
#00A36C
oklch(63.2% 0.142 160.5)
-
Step 600
600
#00895A
oklch(55.6% 0.125 160.5)
-
Step 700
700
#00734B
oklch(49% 0.11 160.6)
-
Step 800
800
#005F3D
oklch(42.9% 0.096 160.4)
-
Step 900
900
#004F32
oklch(37.7% 0.085 160.4)
-
Step 950
950
#002F1C
oklch(26.9% 0.06 160.5)
#18B177 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) | #AFA373 | 0.139 |
| Deuteranopia (no green cones) | #9E967B | 0.136 |
| Tritanopia (no blue cones) | #00B0A2 | 0.063 |
| Achromatopsia (no color) | #9B9B9B | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18B177
#18B177
oklch(67.3% 0.147 160.4)
- #D06FB2
#D06FB2
oklch(67.3% 0.146 340.1)
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 #18B177, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Green #2BB179 ΔE 0.007
- Green Teal #0CB577 ΔE 0.012
- Dark Seafoam #1FB57A ΔE 0.012
- Dark Seafoam Green #3EAF76 ΔE 0.015
- Jade Green #2BAF6A ΔE 0.016
- Seaweed Green #35AD6B ΔE 0.017
- Medium Sea Green #3CB371 ΔE 0.018
- Jade #1FA774 ΔE 0.029
Use #18B177 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.