#39DAD7

Closest named color: Turquoise (#40E0D0). oklch(80.9% 0.127 193), rgb(57, 218, 215).

Black text reads best on this color (12.18:1).

About this color

#39DAD7 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 81%, its chroma 0.127 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.023 away. Black text reads best on it, at 12.18:1.

Hue family	Teals and cyans
Lightness	light (81%)
Chroma	moderately saturated (0.127)
Temperature	cool
Nearest name	Turquoise (#40E0D0)
Black text	12.18:1
White text	1.72:1

Values

HEX	#39DAD7
RGB	rgb(57, 218, 215)
HSL	hsl(179, 69%, 54%)
OKLCH	oklch(80.9% 0.127 193)

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 #39DAD7	1.72:1	Fails	Lc -34.5	Non-text elements, placeholder text
Black text on #39DAD7	12.18:1	AAA	Lc 73.2	Content text, not long reading
#39DAD7 text on white	1.72:1	Fails	Lc 30.7	Non-text elements, placeholder text
#39DAD7 text on black	12.18:1	AAA	Lc -72.1	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

#E9F9F8

oklch(97% 0.017 192.4)
Step 100
100

#CFF2F1

oklch(93.6% 0.036 194.4)
Step 200
200

#A2E8E6

oklch(88.4% 0.07 193.7)
Step 300
300 (this color)

#39DAD7

oklch(80.9% 0.127 193)
Step 400
400

#00B8B5

oklch(70.8% 0.121 192.7)
Step 500
500

#009E9B

oklch(63.2% 0.108 192.4)
Step 600
600

#008483

oklch(55.5% 0.095 193.8)
Step 700
700

#006F6E

oklch(49% 0.084 193.7)
Step 800
800

#005B5A

oklch(42.6% 0.073 193.5)
Step 900
900

#004C4B

oklch(37.7% 0.064 193.2)
Step 950
950

#002D2D

oklch(26.9% 0.046 194.8)

Export this scale for Tailwind in the Tailwind colors tool

#39DAD7 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)	#CCCFD7	0.133
Deuteranopia (no green cones)	#B5BED8	0.125
Tritanopia (no blue cones)	#00E1D9	0.020
Achromatopsia (no color)	#C5C5C5	0.128