#63A243
Closest named color: Muted Green (#5FA052). oklch(64.8% 0.144 136.4), rgb(99, 162, 67).
Aa
Black text reads best on this color (6.77:1).
About this color
#63A243 is a medium-light, vivid green. In OKLCH its lightness is 65%, its chroma 0.144 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Muted Green (#5FA052), ΔE 0.018 away. Black text reads best on it, at 6.77:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Muted Green (#5FA052) |
| Black text | 6.77:1 |
| White text | 3.09:1 |
Values
| HEX | #63A243 |
| RGB | rgb(99, 162, 67) |
| HSL | hsl(100, 41%, 45%) |
| OKLCH | oklch(64.8% 0.144 136.4) |
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 #63A243 | 3.09:1 | AA large text | Lc -63.1 | Content text, not long reading |
| Black text on #63A243 | 6.77:1 | AA | Lc 46.3 | Large or bold text, headings |
| #63A243 text on white | 3.09:1 | AA large text | Lc 57.8 | Large or bold text, headings |
| #63A243 text on black | 6.77:1 | AA | Lc -44.0 | 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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E4EDE0
oklch(93.6% 0.02 135.8)
-
Step 200
200
#CEE0C6
oklch(88.6% 0.04 135.9)
-
Step 300
300
#ACCC9F
oklch(81% 0.071 136.7)
-
Step 400
400
#7FB169
oklch(70.7% 0.113 136.6)
-
Step 500
500 (this color)
#63A243
oklch(64.8% 0.144 136.4)
-
Step 600
600
#438715
oklch(55.7% 0.157 136.3)
-
Step 700
700
#347203
oklch(49.1% 0.146 136.4)
-
Step 800
800
#2C5D0B
oklch(42.7% 0.121 136.4)
-
Step 900
900
#284C14
oklch(37.6% 0.094 136.4)
-
Step 950
950
#182D0D
oklch(27.1% 0.06 136.2)
#63A243 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) | #A79639 | 0.091 |
| Deuteranopia (no green cones) | #9E904A | 0.092 |
| Tritanopia (no blue cones) | #619D8D | 0.101 |
| Achromatopsia (no color) | #929292 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63A243
#63A243
oklch(64.8% 0.144 136.4)
- #B170C9
#B170C9
oklch(64.8% 0.145 316.4)
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 #63A243, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Green #5FA052 ΔE 0.018
- Mid Green #50A747 ΔE 0.020
- Off Green #6BA353 ΔE 0.020
- Flat Green #699D4C ΔE 0.021
- Fern #63A950 ΔE 0.021
- Leaf #71AA34 ΔE 0.033
- Dark Pastel Green #56AE57 ΔE 0.034
- Grass #5CAC2D ΔE 0.039
Use #63A243 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.