#63B579
Closest named color: Faded Green (#7BB274). oklch(70.5% 0.119 151), rgb(99, 181, 121).
Aa
Black text reads best on this color (8.41:1).
About this color
#63B579 is a medium-light, moderately saturated green. In OKLCH its lightness is 71%, its chroma 0.119 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Faded Green (#7BB274), ΔE 0.023 away. Black text reads best on it, at 8.41:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.119) |
| Temperature | in between |
| Nearest name | Faded Green (#7BB274) |
| Black text | 8.41:1 |
| White text | 2.49:1 |
Values
| HEX | #63B579 |
| RGB | rgb(99, 181, 121) |
| HSL | hsl(136, 36%, 55%) |
| OKLCH | oklch(70.5% 0.119 151) |
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 #63B579 | 2.49:1 | Fails | Lc -53.9 | Large or bold text, headings |
| Black text on #63B579 | 8.41:1 | AAA | Lc 55.2 | Large or bold text, headings |
| #63B579 text on white | 2.49:1 | Fails | Lc 48.8 | Large or bold text, headings |
| #63B579 text on black | 8.41:1 | AAA | Lc -53.2 | 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
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E0EEE3
oklch(93.6% 0.021 152.2)
-
Step 200
200
#C6E1CB
oklch(88.4% 0.041 150.8)
-
Step 300
300
#9ECFA8
oklch(80.9% 0.075 150.6)
-
Step 400
400 (this color)
#63B579
oklch(70.5% 0.119 151)
-
Step 500
500
#2BA257
oklch(63% 0.152 151.1)
-
Step 600
600
#008B42
oklch(55.7% 0.15 151)
-
Step 700
700
#007536
oklch(49.2% 0.133 150.8)
-
Step 800
800
#00602B
oklch(42.8% 0.116 150.8)
-
Step 900
900
#035024
oklch(37.8% 0.1 151)
-
Step 950
950
#082F16
oklch(27.1% 0.063 151.4)
#63B579 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) | #B6A975 | 0.102 |
| Deuteranopia (no green cones) | #AAA17D | 0.100 |
| Tritanopia (no blue cones) | #53B3A5 | 0.063 |
| Achromatopsia (no color) | #A4A4A4 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63B579
#63B579
oklch(70.5% 0.119 151)
- #CB83C2
#CB83C2
oklch(70.5% 0.121 331.3)
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 #63B579, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Green #7BB274 ΔE 0.023
- Boring Green #63B365 ΔE 0.024
- Tea #65AB7C ΔE 0.031
- Medium Sea Green #3CB371 ΔE 0.034
- Algae #54AC68 ΔE 0.035
- Dusty Green #76A973 ΔE 0.035
- Dark Seafoam Green #3EAF76 ΔE 0.036
- Sage Green #88B378 ΔE 0.038
Use #63B579 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.