#28B17B
Closest named color: Bluey Green (#2BB179). oklch(67.7% 0.139 161.2), rgb(40, 177, 123).
Aa
Black text reads best on this color (7.66:1).
About this color
#28B17B is a medium-light, moderately saturated green. In OKLCH its lightness is 68%, its chroma 0.139 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluey Green (#2BB179), ΔE 0.003 away. Black text reads best on it, at 7.66:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Bluey Green (#2BB179) |
| Black text | 7.66:1 |
| White text | 2.73:1 |
Values
| HEX | #28B17B |
| RGB | rgb(40, 177, 123) |
| HSL | hsl(156, 63%, 43%) |
| OKLCH | oklch(67.7% 0.139 161.2) |
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 #28B17B | 2.73:1 | Fails | Lc -57.7 | Large or bold text, headings |
| Black text on #28B17B | 7.66:1 | AAA | Lc 51.5 | Large or bold text, headings |
| #28B17B text on white | 2.73:1 | Fails | Lc 52.5 | Large or bold text, headings |
| #28B17B text on black | 7.66:1 | AAA | Lc -49.3 | 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
#DCEFE4
oklch(93.5% 0.025 160.6)
-
Step 200
200
#BEE4CF
oklch(88.6% 0.049 161)
-
Step 300
300
#8DD3AF
oklch(81% 0.087 161.2)
-
Step 400
400 (this color)
#28B17B
oklch(67.7% 0.139 161.2)
-
Step 500
500
#00A36D
oklch(63.2% 0.141 160.9)
-
Step 600
600
#00895B
oklch(55.6% 0.124 161)
-
Step 700
700
#00734C
oklch(49.1% 0.109 161.2)
-
Step 800
800
#005E3E
oklch(42.6% 0.094 161.6)
-
Step 900
900
#004F33
oklch(37.8% 0.084 161.3)
-
Step 950
950
#002F1D
oklch(27% 0.059 161.7)
#28B17B 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) | #AEA378 | 0.132 |
| Deuteranopia (no green cones) | #9E977F | 0.130 |
| Tritanopia (no blue cones) | #00B0A3 | 0.058 |
| Achromatopsia (no color) | #9C9C9C | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28B17B
#28B17B
oklch(67.7% 0.139 161.2)
- #D072B0
#D072B0
oklch(67.7% 0.14 341.5)
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 #28B17B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Green #2BB179 ΔE 0.003
- Dark Seafoam Green #3EAF76 ΔE 0.011
- Dark Seafoam #1FB57A ΔE 0.012
- Green Teal #0CB577 ΔE 0.016
- Medium Sea Green #3CB371 ΔE 0.018
- Seaweed Green #35AD6B ΔE 0.020
- Jade Green #2BAF6A ΔE 0.021
- Algae #54AC68 ΔE 0.030
Use #28B17B 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.