#28A678
Closest named color: Jade (#1FA774). oklch(64.7% 0.128 163.3), rgb(40, 166, 120).
Aa
Black text reads best on this color (6.81:1).
About this color
#28A678 is a medium-light, moderately saturated green. In OKLCH its lightness is 65%, its chroma 0.128 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jade (#1FA774), ΔE 0.008 away. Black text reads best on it, at 6.81:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Jade (#1FA774) |
| Black text | 6.81:1 |
| White text | 3.08:1 |
Values
| HEX | #28A678 |
| RGB | rgb(40, 166, 120) |
| HSL | hsl(158, 61%, 40%) |
| OKLCH | oklch(64.7% 0.128 163.3) |
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 #28A678 | 3.08:1 | AA large text | Lc -62.7 | Content text, not long reading |
| Black text on #28A678 | 6.81:1 | AA | Lc 46.8 | Large or bold text, headings |
| #28A678 text on white | 3.08:1 | AA large text | Lc 57.3 | Large or bold text, headings |
| #28A678 text on black | 6.81:1 | AA | Lc -44.5 | 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 500.
-
Step 50
50
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E0EEE6
oklch(93.6% 0.018 161.1)
-
Step 200
200
#C5E1D3
oklch(88.5% 0.035 164.1)
-
Step 300
300
#9CCEB5
oklch(80.9% 0.063 162.9)
-
Step 400
400
#60B48F
oklch(70.6% 0.1 163.4)
-
Step 500
500 (this color)
#28A678
oklch(64.7% 0.128 163.3)
-
Step 600
600
#00885F
oklch(55.5% 0.119 163.5)
-
Step 700
700
#00734F
oklch(49.1% 0.106 163)
-
Step 800
800
#005E40
oklch(42.6% 0.092 163.1)
-
Step 900
900
#004F35
oklch(37.8% 0.082 162.9)
-
Step 950
950
#062E1F
oklch(26.9% 0.052 163.5)
#28A678 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) | #A39A75 | 0.124 |
| Deuteranopia (no green cones) | #938E7B | 0.120 |
| Tritanopia (no blue cones) | #00A699 | 0.048 |
| Achromatopsia (no color) | #939393 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28A678
#28A678
oklch(64.7% 0.128 163.3)
- #C36CA2
#C36CA2
oklch(64.6% 0.128 343.3)
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 #28A678, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jade #1FA774 ΔE 0.008
- Dark Seafoam Green #3EAF76 ΔE 0.032
- Seaweed Green #35AD6B ΔE 0.032
- Bluey Green #2BB179 ΔE 0.033
- Ocean Green #3D9973 ΔE 0.037
- Jade Green #2BAF6A ΔE 0.038
- Algae #54AC68 ΔE 0.041
- Dark Seafoam #1FB57A ΔE 0.044
Use #28A678 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.