#40ACAB
Closest named color: Light Sea Green (#20B2AA). oklch(68.3% 0.097 194.3), rgb(64, 172, 171).
Aa
Black text reads best on this color (7.70:1).
About this color
#40ACAB is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.097 and its hue 194°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sea Green (#20B2AA), ΔE 0.021 away. Black text reads best on it, at 7.70:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 7.70:1 |
| White text | 2.72:1 |
Values
| HEX | #40ACAB |
| RGB | rgb(64, 172, 171) |
| HSL | hsl(179, 46%, 46%) |
| OKLCH | oklch(68.3% 0.097 194.3) |
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 #40ACAB | 2.72:1 | Fails | Lc -57.7 | Large or bold text, headings |
| Black text on #40ACAB | 7.70:1 | AAA | Lc 51.6 | Large or bold text, headings |
| #40ACAB text on white | 2.72:1 | Fails | Lc 52.5 | Large or bold text, headings |
| #40ACAB text on black | 7.70:1 | AAA | Lc -49.4 | 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
#F0F7F7
oklch(97.1% 0.007 197)
-
Step 100
100
#DDEEED
oklch(93.6% 0.018 192.6)
-
Step 200
200
#C1E1E0
oklch(88.6% 0.034 194.2)
-
Step 300
300
#92CDCC
oklch(80.8% 0.06 194.7)
-
Step 400
400 (this color)
#40ACAB
oklch(68.3% 0.097 194.3)
-
Step 500
500
#009D9D
oklch(63% 0.108 194.8)
-
Step 600
600
#008484
oklch(55.5% 0.095 194.8)
-
Step 700
700
#006F6F
oklch(49% 0.084 194.8)
-
Step 800
800
#005B5B
oklch(42.7% 0.073 194.8)
-
Step 900
900
#004C4C
oklch(37.7% 0.064 194.8)
-
Step 950
950
#002D2D
oklch(26.9% 0.046 194.8)
#40ACAB 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) | #A1A4AB | 0.101 |
| Deuteranopia (no green cones) | #9197AC | 0.096 |
| Tritanopia (no blue cones) | #00B1AB | 0.023 |
| Achromatopsia (no color) | #9D9D9D | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40ACAB
#40ACAB
oklch(68.3% 0.097 194.3)
- #CE8087
#CE8087
oklch(68.4% 0.097 14.1)
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 #40ACAB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sea Green #20B2AA ΔE 0.021
- Turquoise Blue #06B1C4 ΔE 0.037
- Cadet Blue #5F9EA0 ΔE 0.041
- Topaz #13BBAF ΔE 0.043
- Greeny Blue #42B395 ΔE 0.044
- Dull Teal #5F9E8F ΔE 0.048
- Persian Green #2A9D8F ΔE 0.057
- Grey Teal #5E9B8A ΔE 0.057
Use #40ACAB 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.