#1FD9B4
Closest named color: Emerald (#06D6A0). oklch(79.2% 0.146 174), rgb(31, 217, 180).
Aa
Black text reads best on this color (11.64:1).
About this color
#1FD9B4 is a light, vivid teal or cyan. In OKLCH its lightness is 79%, its chroma 0.146 and its hue 174°. Its hue sits on the cool side of the wheel. The nearest named color is Emerald (#06D6A0), ΔE 0.028 away. Black text reads best on it, at 11.64:1.
| Hue family | Teals and cyans |
| Lightness | light (79%) |
| Chroma | vivid (0.146) |
| Temperature | cool |
| Nearest name | Emerald (#06D6A0) |
| Black text | 11.64:1 |
| White text | 1.80:1 |
Values
| HEX | #1FD9B4 |
| RGB | rgb(31, 217, 180) |
| HSL | hsl(168, 75%, 49%) |
| OKLCH | oklch(79.2% 0.146 174) |
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 #1FD9B4 | 1.80:1 | Fails | Lc -36.9 | Non-text elements, placeholder text |
| Black text on #1FD9B4 | 11.64:1 | AAA | Lc 70.9 | Content text, not long reading |
| #1FD9B4 text on white | 1.80:1 | Fails | Lc 32.9 | Non-text elements, placeholder text |
| #1FD9B4 text on black | 11.64:1 | AAA | Lc -69.7 | Content text, not long reading |
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 300.
-
Step 50
50
#E9FAF4
oklch(97.1% 0.02 172.8)
-
Step 100
100
#CEF4E8
oklch(93.7% 0.043 174.3)
-
Step 200
200
#9FEBD5
oklch(88.4% 0.081 174.3)
-
Step 300
300 (this color)
#1FD9B4
oklch(79.2% 0.146 174)
-
Step 400
400
#00BB9A
oklch(70.7% 0.134 174)
-
Step 500
500
#00A084
oklch(63% 0.119 174.3)
-
Step 600
600
#00876F
oklch(55.6% 0.106 174.3)
-
Step 700
700
#00725D
oklch(49.3% 0.094 174)
-
Step 800
800
#005D4C
oklch(42.7% 0.081 174.6)
-
Step 900
900
#004E3F
oklch(37.8% 0.072 174.1)
-
Step 950
950
#002E24
oklch(26.9% 0.051 173.7)
#1FD9B4 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) | #D1CAB2 | 0.152 |
| Deuteranopia (no green cones) | #BBBAB7 | 0.146 |
| Tritanopia (no blue cones) | #00DCCE | 0.035 |
| Achromatopsia (no color) | #C1C1C1 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1FD9B4
#1FD9B4
oklch(79.2% 0.146 174)
- #FF94C1
#FF94C1
oklch(79.1% 0.138 354)
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 #1FD9B4, closest first.
No curated palette has a color within ΔE 0.04 of #1FD9B4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald #06D6A0 ΔE 0.028
- Medium Aquamarine #66CDAA ΔE 0.041
- Aqua Marine #2EE8BB ΔE 0.042
- Turquoise #40E0D0 ΔE 0.043
- Medium Turquoise #48D1CC ΔE 0.050
- Seafoam Blue #78D1B6 ΔE 0.052
- Aqua Green #12E193 ΔE 0.056
- Dark Turquoise #00CED1 ΔE 0.060
Use #1FD9B4 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.