#63B170
Closest named color: Boring Green (#63B365). oklch(69.3% 0.122 148), rgb(99, 177, 112).
Aa
Black text reads best on this color (8.05:1).
About this color
#63B170 is a medium-light, moderately saturated green. In OKLCH its lightness is 69%, its chroma 0.122 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 0.016 away. Black text reads best on it, at 8.05:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Boring Green (#63B365) |
| Black text | 8.05:1 |
| White text | 2.60:1 |
Values
| HEX | #63B170 |
| RGB | rgb(99, 177, 112) |
| HSL | hsl(130, 33%, 54%) |
| OKLCH | oklch(69.3% 0.122 148) |
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 #63B170 | 2.60:1 | Fails | Lc -55.9 | Large or bold text, headings |
| Black text on #63B170 | 8.05:1 | AAA | Lc 53.3 | Large or bold text, headings |
| #63B170 text on white | 2.60:1 | Fails | Lc 50.7 | Large or bold text, headings |
| #63B170 text on black | 8.05:1 | AAA | Lc -51.2 | 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
#E0EEE2
oklch(93.5% 0.022 149.7)
-
Step 200
200
#C7E1CA
oklch(88.4% 0.042 148.5)
-
Step 300
300
#9FCFA5
oklch(80.9% 0.077 148.2)
-
Step 400
400 (this color)
#63B170
oklch(69.3% 0.122 148)
-
Step 500
500
#34A24F
oklch(63.1% 0.156 148)
-
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
#0B4F1F
oklch(37.6% 0.101 148)
-
Step 950
950
#0B2F13
oklch(27.1% 0.065 147.8)
#63B170 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) | #B3A56C | 0.100 |
| Deuteranopia (no green cones) | #A79D74 | 0.098 |
| Tritanopia (no blue cones) | #56AEA0 | 0.070 |
| Achromatopsia (no color) | #A0A0A0 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63B170
#63B170
oklch(69.3% 0.122 148)
- #C580C3
#C580C3
oklch(69.4% 0.122 327.8)
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 #63B170, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Boring Green #63B365 ΔE 0.016
- Algae #54AC68 ΔE 0.023
- Faded Green #7BB274 ΔE 0.027
- Tea #65AB7C ΔE 0.027
- Medium Sea Green #3CB371 ΔE 0.029
- Dark Seafoam Green #3EAF76 ΔE 0.030
- Dusty Green #76A973 ΔE 0.030
- Asparagus #77AB56 ΔE 0.031
Use #63B170 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.