#1999AF
Closest named color: Teal Green (#0A9396). oklch(62.9% 0.106 213.2), rgb(25, 153, 175).
Aa
Black text reads best on this color (6.21:1).
About this color
#1999AF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 63%, its chroma 0.106 and its hue 213°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Green (#0A9396), ΔE 0.039 away. Black text reads best on it, at 6.21:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Teal Green (#0A9396) |
| Black text | 6.21:1 |
| White text | 3.37:1 |
Values
| HEX | #1999AF |
| RGB | rgb(25, 153, 175) |
| HSL | hsl(189, 75%, 39%) |
| OKLCH | oklch(62.9% 0.106 213.2) |
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 #1999AF | 3.37:1 | AA large text | Lc -66.2 | Content text, not long reading |
| Black text on #1999AF | 6.21:1 | AA | Lc 43.3 | Non-text elements, placeholder text |
| #1999AF text on white | 3.37:1 | AA large text | Lc 60.8 | Content text, not long reading |
| #1999AF text on black | 6.21:1 | AA | Lc -40.9 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#DFEDF0
oklch(93.7% 0.015 212)
-
Step 200
200
#C5DFE5
oklch(88.6% 0.029 213.2)
-
Step 300
300
#9BCAD5
oklch(80.9% 0.052 213.7)
-
Step 400
400
#5EAEBF
oklch(70.6% 0.082 213.1)
-
Step 500
500 (this color)
#1999AF
oklch(62.9% 0.106 213.2)
-
Step 600
600
#008295
oklch(55.7% 0.097 212.5)
-
Step 700
700
#006D7E
oklch(49.1% 0.086 213.3)
-
Step 800
800
#005967
oklch(42.6% 0.075 213)
-
Step 900
900
#004A56
oklch(37.6% 0.066 213)
-
Step 950
950
#052C33
oklch(27.1% 0.043 212.5)
#1999AF 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) | #8994B0 | 0.096 |
| Deuteranopia (no green cones) | #7686AF | 0.087 |
| Tritanopia (no blue cones) | #00A2A0 | 0.041 |
| Achromatopsia (no color) | #8C8C8C | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1999AF
#1999AF
oklch(62.9% 0.106 213.2)
- #C0705E
#C0705E
oklch(62.9% 0.106 33.6)
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 #1999AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Green #0A9396 ΔE 0.039
- Sea #3C9992 ΔE 0.045
- Blue NCS #118AB2 ΔE 0.047
- Teal Blue #01889F ΔE 0.053
- Blue Green #0F9B8E ΔE 0.054
- Cadet Blue #5F9EA0 ΔE 0.054
- Persian Green #2A9D8F ΔE 0.054
- Dark Cyan #008B8B ΔE 0.062
Use #1999AF 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.