#63B583
Closest named color: Faded Green (#7BB274). oklch(70.7% 0.11 155.5), rgb(99, 181, 131).
Aa
Black text reads best on this color (8.46:1).
About this color
#63B583 is a medium-light, moderately saturated green. In OKLCH its lightness is 71%, its chroma 0.110 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Faded Green (#7BB274), ΔE 0.026 away. Black text reads best on it, at 8.46:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Faded Green (#7BB274) |
| Black text | 8.46:1 |
| White text | 2.47:1 |
Values
| HEX | #63B583 |
| RGB | rgb(99, 181, 131) |
| HSL | hsl(143, 36%, 55%) |
| OKLCH | oklch(70.7% 0.11 155.5) |
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 #63B583 | 2.47:1 | Fails | Lc -53.6 | Large or bold text, headings |
| Black text on #63B583 | 8.46:1 | AAA | Lc 55.4 | Large or bold text, headings |
| #63B583 text on white | 2.47:1 | Fails | Lc 48.6 | Large or bold text, headings |
| #63B583 text on black | 8.46:1 | AAA | Lc -53.4 | 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
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E0EEE4
oklch(93.6% 0.02 154.9)
-
Step 200
200
#C6E1CF
oklch(88.5% 0.038 156.4)
-
Step 300
300
#9DCEAE
oklch(80.8% 0.068 155.9)
-
Step 400
400 (this color)
#63B583
oklch(70.7% 0.11 155.5)
-
Step 500
500
#29A263
oklch(63.2% 0.141 155.3)
-
Step 600
600
#008A4F
oklch(55.7% 0.136 155.4)
-
Step 700
700
#007442
oklch(49.1% 0.12 155.6)
-
Step 800
800
#005F35
oklch(42.7% 0.104 155.6)
-
Step 900
900
#014F2C
oklch(37.6% 0.091 156)
-
Step 950
950
#082F1A
oklch(27.2% 0.058 155.4)
#63B583 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) | #B4AA80 | 0.099 |
| Deuteranopia (no green cones) | #A8A186 | 0.097 |
| Tritanopia (no blue cones) | #50B4A8 | 0.054 |
| Achromatopsia (no color) | #A4A4A4 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63B583
#63B583
oklch(70.7% 0.11 155.5)
- #CB86BB
#CB86BB
oklch(70.7% 0.109 335.5)
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 #63B583, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Green #7BB274 ΔE 0.026
- Tea #65AB7C ΔE 0.027
- Greeny Blue #42B395 ΔE 0.035
- Dusty Green #76A973 ΔE 0.035
- Boring Green #63B365 ΔE 0.037
- Sage Green #88B378 ΔE 0.038
- Sage #87AE73 ΔE 0.039
- Dark Seafoam Green #3EAF76 ΔE 0.040
Use #63B583 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.