#15A577
Closest named color: Jade (#1FA774). oklch(64.1% 0.132 164.3), rgb(21, 165, 119).
Aa
Black text reads best on this color (6.68:1).
About this color
#15A577 is a medium-light, moderately saturated green. In OKLCH its lightness is 64%, its chroma 0.132 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jade (#1FA774), ΔE 0.009 away. Black text reads best on it, at 6.68:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.132) |
| Temperature | in between |
| Nearest name | Jade (#1FA774) |
| Black text | 6.68:1 |
| White text | 3.14:1 |
Values
| HEX | #15A577 |
| RGB | rgb(21, 165, 119) |
| HSL | hsl(161, 77%, 36%) |
| OKLCH | oklch(64.1% 0.132 164.3) |
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 #15A577 | 3.14:1 | AA large text | Lc -63.4 | Content text, not long reading |
| Black text on #15A577 | 6.68:1 | AA | Lc 46.1 | Large or bold text, headings |
| #15A577 text on white | 3.14:1 | AA large text | Lc 58.0 | Large or bold text, headings |
| #15A577 text on black | 6.68:1 | AA | Lc -43.8 | 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
#F0F7F4
oklch(97% 0.008 168.8)
-
Step 100
100
#DFEEE7
oklch(93.6% 0.018 166.4)
-
Step 200
200
#C4E1D3
oklch(88.5% 0.036 164.9)
-
Step 300
300
#9ACEB6
oklch(80.8% 0.064 164.8)
-
Step 400
400
#5CB590
oklch(70.7% 0.103 164.4)
-
Step 500
500 (this color)
#15A577
oklch(64.1% 0.132 164.3)
-
Step 600
600
#008861
oklch(55.5% 0.117 164.6)
-
Step 700
700
#007351
oklch(49.2% 0.104 164.3)
-
Step 800
800
#005E42
oklch(42.7% 0.09 164.7)
-
Step 900
900
#004E36
oklch(37.5% 0.079 164.5)
-
Step 950
950
#032F1F
oklch(27.1% 0.055 163.5)
#15A577 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) | #A29874 | 0.130 |
| Deuteranopia (no green cones) | #918C7A | 0.125 |
| Tritanopia (no blue cones) | #00A598 | 0.048 |
| Achromatopsia (no color) | #919191 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #15A577
#15A577
oklch(64.1% 0.132 164.3)
- #C369A0
#C369A0
oklch(64.1% 0.132 344)
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 #15A577, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jade #1FA774 ΔE 0.009
- Seaweed Green #35AD6B ΔE 0.035
- Ocean Green #3D9973 ΔE 0.036
- Dark Seafoam Green #3EAF76 ΔE 0.038
- Bluey Green #2BB179 ΔE 0.038
- Jade Green #2BAF6A ΔE 0.040
- Algae #54AC68 ΔE 0.047
- Dark Seafoam #1FB57A ΔE 0.048
Use #15A577 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.