#63B671
Closest named color: Boring Green (#63B365). oklch(70.6% 0.129 147.9), rgb(99, 182, 113).
Aa
Black text reads best on this color (8.46:1).
About this color
#63B671 is a medium-light, moderately saturated green. In OKLCH its lightness is 71%, its chroma 0.129 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Boring Green (#63B365), ΔE 0.015 away. Black text reads best on it, at 8.46:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Boring Green (#63B365) |
| Black text | 8.46:1 |
| White text | 2.48:1 |
Values
| HEX | #63B671 |
| RGB | rgb(99, 182, 113) |
| HSL | hsl(130, 36%, 55%) |
| OKLCH | oklch(70.6% 0.129 147.9) |
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 #63B671 | 2.48:1 | Fails | Lc -53.6 | Large or bold text, headings |
| Black text on #63B671 | 8.46:1 | AAA | Lc 55.4 | Large or bold text, headings |
| #63B671 text on white | 2.48:1 | Fails | Lc 48.6 | Large or bold text, headings |
| #63B671 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
#F1F8F1
oklch(97.2% 0.012 145.5)
-
Step 100
100
#E0EEE1
oklch(93.5% 0.023 147.4)
-
Step 200
200
#C6E2C9
oklch(88.5% 0.045 148.2)
-
Step 300
300
#9ECFA3
oklch(80.8% 0.08 147.5)
-
Step 400
400 (this color)
#63B671
oklch(70.6% 0.129 147.9)
-
Step 500
500
#2AA34B
oklch(63.1% 0.164 148.1)
-
Step 600
600
#008B36
oklch(55.5% 0.161 148.1)
-
Step 700
700
#00752C
oklch(49% 0.142 148)
-
Step 800
800
#006023
oklch(42.7% 0.123 148.1)
-
Step 900
900
#03501C
oklch(37.7% 0.108 147.8)
-
Step 950
950
#082F12
oklch(27% 0.068 148.2)
#63B671 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) | #B8A96C | 0.105 |
| Deuteranopia (no green cones) | #ACA175 | 0.103 |
| Tritanopia (no blue cones) | #55B3A5 | 0.075 |
| Achromatopsia (no color) | #A4A4A4 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63B671
#63B671
oklch(70.6% 0.129 147.9)
- #CB82C9
#CB82C9
oklch(70.6% 0.129 327.8)
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 #63B671, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Boring Green #63B365 ΔE 0.015
- Faded Green #7BB274 ΔE 0.027
- Medium Sea Green #3CB371 ΔE 0.031
- Dark Mint #48C072 ΔE 0.032
- Algae #54AC68 ΔE 0.034
- Asparagus #77AB56 ΔE 0.037
- Soft Green #6FC276 ΔE 0.037
- Dark Seafoam Green #3EAF76 ΔE 0.038
Use #63B671 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.