#28AE73
Closest named color: Seaweed Green (#35AD6B). oklch(66.7% 0.142 158.7), rgb(40, 174, 115).
Aa
Black text reads best on this color (7.39:1).
About this color
#28AE73 is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.142 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed Green (#35AD6B), ΔE 0.010 away. Black text reads best on it, at 7.39:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Seaweed Green (#35AD6B) |
| Black text | 7.39:1 |
| White text | 2.84:1 |
Values
| HEX | #28AE73 |
| RGB | rgb(40, 174, 115) |
| HSL | hsl(154, 63%, 42%) |
| OKLCH | oklch(66.7% 0.142 158.7) |
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 #28AE73 | 2.84:1 | Fails | Lc -59.3 | Large or bold text, headings |
| Black text on #28AE73 | 7.39:1 | AAA | Lc 50.0 | Large or bold text, headings |
| #28AE73 text on white | 2.84:1 | Fails | Lc 54.0 | Large or bold text, headings |
| #28AE73 text on black | 7.39:1 | AAA | Lc -47.8 | 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 500.
-
Step 50
50
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#DFEEE5
oklch(93.5% 0.02 159.7)
-
Step 200
200
#C5E1D0
oklch(88.4% 0.038 158.9)
-
Step 300
300
#9ACFB0
oklch(80.9% 0.07 158.7)
-
Step 400
400
#5CB687
oklch(70.8% 0.112 158.9)
-
Step 500
500 (this color)
#28AE73
oklch(66.7% 0.142 158.7)
-
Step 600
600
#008956
oklch(55.5% 0.129 158.6)
-
Step 700
700
#007348
oklch(49% 0.113 158.9)
-
Step 800
800
#005F3A
oklch(42.8% 0.099 158.5)
-
Step 900
900
#004F30
oklch(37.7% 0.087 158.9)
-
Step 950
950
#032F1B
oklch(27% 0.06 158.3)
#28AE73 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) | #ACA06F | 0.132 |
| Deuteranopia (no green cones) | #9C9577 | 0.128 |
| Tritanopia (no blue cones) | #00AD9F | 0.063 |
| Achromatopsia (no color) | #999999 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28AE73
#28AE73
oklch(66.7% 0.142 158.7)
- #CC6FB1
#CC6FB1
oklch(66.8% 0.142 339.1)
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 #28AE73, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed Green #35AD6B ΔE 0.010
- Bluey Green #2BB179 ΔE 0.011
- Dark Seafoam Green #3EAF76 ΔE 0.013
- Jade Green #2BAF6A ΔE 0.013
- Green Teal #0CB577 ΔE 0.019
- Dark Seafoam #1FB57A ΔE 0.020
- Medium Sea Green #3CB371 ΔE 0.020
- Jade #1FA774 ΔE 0.022
Use #28AE73 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.