#BDC52D
Closest named color: Mustard Yellow (#D2BD0A). oklch(79.2% 0.164 112.7), rgb(189, 197, 45).
Aa
Black text reads best on this color (11.18:1).
About this color
#BDC52D is a light, vivid yellow. In OKLCH its lightness is 79%, its chroma 0.164 and its hue 113°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mustard Yellow (#D2BD0A), ΔE 0.033 away. Black text reads best on it, at 11.18:1.
| Hue family | Yellows |
| Lightness | light (79%) |
| Chroma | vivid (0.164) |
| Temperature | in between |
| Nearest name | Mustard Yellow (#D2BD0A) |
| Black text | 11.18:1 |
| White text | 1.87:1 |
Values
| HEX | #BDC52D |
| RGB | rgb(189, 197, 45) |
| HSL | hsl(63, 63%, 47%) |
| OKLCH | oklch(79.2% 0.164 112.7) |
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 #BDC52D | 1.87:1 | Fails | Lc -39.6 | Non-text elements, placeholder text |
| Black text on #BDC52D | 11.18:1 | AAA | Lc 68.5 | Content text, not long reading |
| #BDC52D text on white | 1.87:1 | Fails | Lc 35.4 | Non-text elements, placeholder text |
| #BDC52D text on black | 11.18:1 | AAA | Lc -67.1 | 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
#F5F7E7
oklch(97% 0.021 112.6)
-
Step 100
100
#EAEECA
oklch(93.7% 0.047 112.5)
-
Step 200
200
#D9E09A
oklch(88.5% 0.091 112.9)
-
Step 300
300 (this color)
#BDC52D
oklch(79.2% 0.164 112.7)
-
Step 400
400
#A3AA00
oklch(70.8% 0.158 112.7)
-
Step 500
500
#8B9100
oklch(63% 0.14 112.7)
-
Step 600
600
#757A00
oklch(55.6% 0.124 112.6)
-
Step 700
700
#626600
oklch(49% 0.109 112.4)
-
Step 800
800
#505400
oklch(42.8% 0.095 112.9)
-
Step 900
900
#424600
oklch(37.8% 0.084 113.4)
-
Step 950
950
#272900
oklch(27% 0.06 112.6)
#BDC52D 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) | #D4BB00 | 0.038 |
| Deuteranopia (no green cones) | #D4BF3B | 0.039 |
| Tritanopia (no blue cones) | #CAB9A9 | 0.145 |
| Achromatopsia (no color) | #BDBDBD | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BDC52D
#BDC52D
oklch(79.2% 0.164 112.7)
- #BDADFF
#BDADFF
oklch(79.1% 0.116 292.5)
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 #BDC52D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Yellow #D2BD0A ΔE 0.033
- Olive Yellow #C2B709 ΔE 0.035
- Pea #A4BF20 ΔE 0.040
- Dark Yellow #D5B60A ΔE 0.047
- Yellow Green #9ACD32 ΔE 0.047
- Mustard #CEB301 ΔE 0.048
- Light Olive Green #A4BE5C ΔE 0.052
- Slime Green #99CC04 ΔE 0.054
Use #BDC52D 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.