#63A29F
Closest named color: Cadet Blue (#5F9EA0). oklch(66.9% 0.065 191.8), rgb(99, 162, 159).
Aa
Black text reads best on this color (7.19:1).
About this color
#63A29F is a medium-light, muted teal or cyan. In OKLCH its lightness is 67%, its chroma 0.065 and its hue 192°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.013 away. Black text reads best on it, at 7.19:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 7.19:1 |
| White text | 2.91:1 |
Values
| HEX | #63A29F |
| RGB | rgb(99, 162, 159) |
| HSL | hsl(177, 25%, 51%) |
| OKLCH | oklch(66.9% 0.065 191.8) |
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 #63A29F | 2.91:1 | Fails | Lc -60.8 | Content text, not long reading |
| Black text on #63A29F | 7.19:1 | AAA | Lc 48.6 | Large or bold text, headings |
| #63A29F text on white | 2.91:1 | Fails | Lc 55.5 | Large or bold text, headings |
| #63A29F text on black | 7.19:1 | AAA | Lc -46.3 | 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 500.
-
Step 50
50
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CDDDDC
oklch(88.5% 0.017 192.3)
-
Step 300
300
#AAC8C6
oklch(81% 0.032 191.6)
-
Step 400
400
#7BABA9
oklch(70.7% 0.051 192.8)
-
Step 500
500 (this color)
#63A29F
oklch(66.9% 0.065 191.8)
-
Step 600
600
#3A817E
oklch(55.7% 0.071 191.6)
-
Step 700
700
#2B6D6A
oklch(49.2% 0.067 191.1)
-
Step 800
800
#265957
oklch(42.9% 0.055 191.9)
-
Step 900
900
#244947
oklch(37.7% 0.043 190.9)
-
Step 950
950
#162B2A
oklch(27.1% 0.027 191.8)
#63A29F 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) | #9B9C9F | 0.069 |
| Deuteranopia (no green cones) | #9094A0 | 0.064 |
| Tritanopia (no blue cones) | #49A5A1 | 0.022 |
| Achromatopsia (no color) | #979797 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63A29F
#63A29F
oklch(66.9% 0.065 191.8)
- #B9858A
#B9858A
oklch(66.9% 0.064 12.6)
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 #63A29F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.013
- Dull Teal #5F9E8F ΔE 0.024
- Grey Teal #5E9B8A ΔE 0.033
- Greyblue #77A1B5 ΔE 0.043
- Sea #3C9992 ΔE 0.049
- Bluegrey #85A3B2 ΔE 0.051
- Light Sea Green #20B2AA ΔE 0.054
- Bluey Grey #89A0B0 ΔE 0.054
Use #63A29F 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.