#63B398
Closest named color: Greeny Blue (#42B395). oklch(70.8% 0.089 169.8), rgb(99, 179, 152).
Aa
Black text reads best on this color (8.43:1).
About this color
#63B398 is a medium-light, moderately saturated green. In OKLCH its lightness is 71%, its chroma 0.089 and its hue 170°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.026 away. Black text reads best on it, at 8.43:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.089) |
| Temperature | in between |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 8.43:1 |
| White text | 2.49:1 |
Values
| HEX | #63B398 |
| RGB | rgb(99, 179, 152) |
| HSL | hsl(160, 34%, 55%) |
| OKLCH | oklch(70.8% 0.089 169.8) |
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 #63B398 | 2.49:1 | Fails | Lc -53.8 | Large or bold text, headings |
| Black text on #63B398 | 8.43:1 | AAA | Lc 55.2 | Large or bold text, headings |
| #63B398 text on white | 2.49:1 | Fails | Lc 48.8 | Large or bold text, headings |
| #63B398 text on black | 8.43:1 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E0EEE8
oklch(93.7% 0.017 168.5)
-
Step 200
200
#C6E0D6
oklch(88.5% 0.031 170.5)
-
Step 300
300
#9DCDBB
oklch(80.9% 0.056 169.9)
-
Step 400
400 (this color)
#63B398
oklch(70.8% 0.089 169.8)
-
Step 500
500
#289F7E
oklch(63% 0.114 169.6)
-
Step 600
600
#008869
oklch(55.7% 0.111 169.5)
-
Step 700
700
#007258
oklch(49.1% 0.097 169.9)
-
Step 800
800
#005E48
oklch(42.9% 0.085 169.8)
-
Step 900
900
#014E3B
oklch(37.7% 0.075 169.5)
-
Step 950
950
#072E23
oklch(27.1% 0.048 170)
#63B398 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) | #AFAA97 | 0.091 |
| Deuteranopia (no green cones) | #A2A09A | 0.088 |
| Tritanopia (no blue cones) | #49B4AB | 0.030 |
| Achromatopsia (no color) | #A4A4A4 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63B398
#63B398
oklch(70.8% 0.089 169.8)
- #CB8AA9
#CB8AA9
oklch(70.8% 0.089 349.5)
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 #63B398, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.026
- Tea #65AB7C ΔE 0.038
- Light Sea Green #20B2AA ΔE 0.045
- Topaz #13BBAF ΔE 0.046
- Muted Teal #90B494 ΔE 0.048
- Dusty Green #76A973 ΔE 0.049
- Faded Green #7BB274 ΔE 0.050
- Sage Green #88B378 ΔE 0.053
Use #63B398 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.